What Is Clash, and Why Is It One of the Most Popular Proxy Clients?

Clash is an open-source, rule-based network proxy engine written in Go. Instead of forcing all traffic through one route, Clash uses a flexible policy system to decide how each request should be handled. One domain can go through a selected proxy node, another can stay direct, and another can be blocked or sent through a special group. This fine-grained traffic control is why Clash remains a favorite among developers, remote workers, security researchers, and privacy-conscious users.

In real-world usage, what makes Clash powerful is not just protocol support, but the ability to combine subscription management, routing rules, DNS strategy, and system-level traffic capture in one workflow. You can start with a beginner-friendly preset and then gradually optimize your configuration as your needs grow.

Core strengths of Clash include:

• Broad protocol compatibility: Supports mainstream protocols such as Shadowsocks, VMess, Trojan, VLESS, Hysteria2, and TUIC
• A robust rule engine: Works with DOMAIN, DOMAIN-SUFFIX, IP-CIDR, GEOIP, PROCESS-NAME, and more
• Convenient subscription management: Import all nodes with one URL and keep them updated automatically
• TUN virtual adapter support: Captures nearly all TCP/UDP traffic without per-app proxy setup
• Cross-platform coverage: Available on Windows, macOS, Android, iOS, and Linux through different clients

This guide focuses on Windows, macOS, and Android, the three most common environments for everyday users. We will walk from zero to a stable setup: install the client, import your subscription, choose the right mode, and verify that traffic is routed correctly. If this is your first time using Clash, follow the sections in order. If you already have a basic setup, you can jump directly to DNS tuning and troubleshooting.

Windows: Complete Clash Verge Rev Setup Workflow

Step 1: Download the Installer

Open the download page and choose Clash Verge Rev in the Windows section. In most cases, the .exe installer is the best choice because it integrates cleanly with Windows startup behavior and system-level permissions. Portable ZIP builds can still work, but they are less convenient for long-term daily use.

After downloading, run the installer and finish the setup wizard. If Windows Defender SmartScreen appears, click "More info" and then "Run anyway." That warning is common for open-source utilities distributed outside the Microsoft Store.

Step 2: First Launch and Interface Overview

When Clash Verge Rev starts for the first time, it creates a local config directory under ~\AppData\Roaming\io.github.clash-verge-rev.clash-verge-rev. This folder stores your profile files, logs, and local runtime state.

The main UI is usually organized into these panels:

• Dashboard: Live traffic speed, active connections, and latency snapshots
• Proxies: Proxy groups and node switching controls
• Profiles: Subscription management for URL-based or local YAML imports
• Rules: The currently loaded routing rule list
• Logs: Per-request routing details for debugging
• Settings: System proxy, TUN mode, startup behavior, and global options

If you are new to this interface, spend one minute clicking each panel before importing your subscription. That makes later troubleshooting much easier, because you will know where to check status, logs, and active routes.

Step 3: Import Your Subscription URL

Go to Profiles, choose New Profile, then Import from URL. Paste the subscription URL from your provider, assign a profile name, and click import. Once imported successfully, you should see node count and last update time on the profile card.

Activate the profile by clicking the activation button on the card or double-clicking the profile item. If multiple profiles exist, make sure only the intended one is active. Running an old profile by mistake is one of the most common causes of "it worked yesterday but not today."

Step 4: Choose the Right Proxy Mode

Clash provides three core traffic modes. You can switch them from the top bar or the tray icon context menu:

For most users, Rule mode is the correct long-term default. It lets domestic or low-latency destinations connect directly while proxying only where needed, improving both speed and stability.

Step 5: Enable System Proxy

In Settings, turn on System Proxy. This makes Windows route browser traffic and many application HTTP/HTTPS requests to Clash (typically via local port 7890). After enabling, test with one browser and one desktop app to confirm traffic is actually routed.

A quick visual check: the Clash tray icon should indicate active status, and sites that previously timed out should now open normally. If browser traffic works but command-line tools do not, that is expected under basic system proxy mode and can be solved with TUN mode.

Step 6 (Advanced): Enable TUN Mode

Some applications do not follow Windows system proxy settings at all, especially game launchers, CLI tools, and UDP-heavy software. To route those flows too, enable TUN mode. Clash Verge Rev will create a virtual network adapter (Mihomo TUN) and request admin permission to install required components.

After TUN is enabled, rebooting the app is sometimes required. In certain environments, a full system restart is also helpful when routes or adapters are not refreshed immediately. If your use case includes gaming, development tools, or mixed TCP/UDP workloads, TUN mode is often the difference between a partial setup and a complete one.

macOS: Complete Clash Verge Rev Setup Workflow

Step 1: Download the Correct Build

Go to the download page and select the macOS package for Clash Verge Rev. Architecture matters on Mac:

• Apple Silicon (M1 / M2 / M3 / M4): Use the aarch64.dmg build
• Intel Macs (mostly pre-2020): Use the x64.dmg build

If you are unsure, open Apple menu > About This Mac and check whether your device shows "Chip" (Apple Silicon) or "Processor" (Intel). Installing the wrong architecture can cause launch failures or Rosetta performance penalties.

Step 2: Install and Handle First-Launch Security Prompts

Open the .dmg file and drag Clash Verge Rev into the Applications folder. On first launch, macOS may warn that the app cannot be verified. This is common for unsigned open-source builds.

You can allow launch from System Settings > Privacy & Security by clicking "Open Anyway." If quarantine flags persist, run this command in Terminal and launch again:

sudo xattr -rd com.apple.quarantine /Applications/Clash\ Verge\ Rev.app

Once opened successfully, keep the app in Applications and avoid running it directly from Downloads, which can re-trigger gatekeeper checks after updates.

Step 3: Import Subscription and Enable Proxy Routing

The macOS interface is nearly the same as the Windows version. Open Profiles, import via URL, and activate the profile. Then enable System Proxy in Settings.

After activation, macOS network settings should show local proxy endpoints such as HTTP 127.0.0.1:7890 and SOCKS5 127.0.0.1:7891. Browsers like Safari and Chrome typically start using the route immediately. If one app still bypasses Clash, verify whether that app uses custom network stacks instead of system proxy APIs.

Step 4: TUN Mode on macOS

On macOS, TUN mode requires system extensions and explicit user approval. The first time you enable it, macOS may show a security notice. Go to Privacy & Security and allow the extension, then try enabling TUN again.

On Ventura (13) and later, extension workflows are stricter than before. In managed enterprise devices, MDM policy may block network extension activation, so check corporate profiles if TUN fails silently. For most home users, approval plus app restart is enough.

Android: Complete ClashMeta for Android Setup Workflow

Step 1: Download the APK

For Android, ClashMeta for Android (CMFA) is the recommended client due to active maintenance and feature completeness. Download the APK from the download page.

Most Android devices released in recent years are ARM64 (arm64-v8a). Older phones or 32-bit systems may need armeabi-v7a. If you are not sure, start with ARM64; installation failure usually indicates architecture mismatch and can be corrected quickly.

Step 2: Install the APK Safely

Tap the APK in your file manager to install it. If Android blocks unknown-source installs, go to Settings > Security (or Apps > Special access) and grant install permission to the file manager or browser used for download.

After installation, open ClashMeta from the app drawer. On first launch, allow basic permissions requested by the app so local config storage and profile updates can work normally.

Step 3: Import the Subscription Profile

Tap the plus icon in the lower-right corner, choose URL, paste your subscription link, set a profile name, and save. Then long-press the profile and set it as selected (or tap the selection circle, depending on app version).

If profile import succeeds but node count looks suspiciously low, update once manually and re-check. Providers sometimes rotate node pools by region, so profile data can change between refreshes.

Step 4: Start the Proxy Service

Tap the start button in the top-right corner. The first launch triggers Android's VPN permission dialog. Approve it to allow CMFA to create a local VPN tunnel. When active, a key or VPN indicator appears in the status bar.

CMFA defaults to rule-based routing, which is ideal for most users. You can monitor active traffic and current route behavior directly in the app. If traffic seems idle, test one website and one app to force fresh sessions and verify routing in real time.

Step 5: Select the Best Node

Open the Proxies tab in bottom navigation. Most subscriptions expose group types such as:

• Auto: Picks the lowest-latency node automatically
• Select: Lets you choose a specific node manually
• Fallback: Tries nodes in order and switches when one fails

Run latency tests for the group, then choose the node that is both fast and stable. Lowest ping alone is not always best for streaming or downloads, so test actual throughput when possible.

Universal Optimization Tips: Subscription Updates and Rule Tuning

Automatic Subscription Updates

Node availability changes over time. To avoid stale endpoints and random connection failures, enable automatic profile updates.

• Clash Verge Rev (desktop): In Profiles, open profile settings, set update interval to 24 hours, and enable update-on-start
• CMFA (Android): Long-press profile > Edit > Set auto-update interval (recommended: 1440 minutes)

For users who rely on Clash for work calls or remote development, a daily refresh is a practical baseline. If your provider changes routes frequently, shorter intervals may improve resilience.

DNS Configuration and Leak Prevention

Correct DNS behavior is just as important as proxy routing. If DNS queries bypass Clash and go directly to your ISP resolver, your destination domains may still be exposed. That is called a DNS leak.

Many subscription profiles already include DNS settings. If you need to tune them manually, this structure is a reliable starting point:

dns:
  enable: true
  enhanced-mode: fake-ip
  nameserver:
    - 223.5.5.5
    - 119.29.29.29
  fallback:
    - tls://8.8.8.8:853
    - tls://1.1.1.1:853

With fake-ip mode, Clash returns synthetic IPs in the 198.18.0.0/16 range and resolves domains through the proxy logic path, which significantly reduces leak risk. In strict privacy scenarios, combine fake-ip with TUN mode and verify results using independent leak test tools.

Custom Rule Overrides

If you need app-specific or domain-specific behavior, add your own rules at the top of the rules section so they match first:

rules:
  # Custom rules: add before auto-generated rules
  - DOMAIN-SUFFIX,example.com,DIRECT
  - DOMAIN-KEYWORD,openai,Proxy
  - PROCESS-NAME,git.exe,Proxy
  # ... rest of subscription rules ...

Rule order matters. Clash stops at the first match, so place business-critical exceptions first. This is especially useful when one service fails under default subscription policy but works once forced to a specific group.

Common Problems and Practical Troubleshooting

No Internet or Proxy Not Taking Effect

If your connection fails after setup, follow this sequence:

1. Confirm Clash is running and mode is not set to Direct
2. Open clash.razord.top or local dashboard 127.0.0.1:9090 to inspect live request logs
3. Run a node latency test in the Proxies panel and ensure nodes return valid delay values
4. Check whether local port 7890 is occupied by another process
5. If using system proxy, confirm OS proxy address and port match Clash runtime values

This order helps isolate whether the issue is client startup, node availability, local port conflict, or system routing mismatch. Changing many options at once usually slows diagnosis; test one variable at a time.

Low Speed Even with Good Latency

A low ping does not guarantee high throughput. Real speed depends on route quality, node bandwidth limits, congestion, and protocol overhead.

• Try multiple nodes inside the same group and compare actual download/upload results
• If available, switch to specialized groups (streaming, gaming, or bulk traffic)
• Temporarily compare TUN mode and system proxy mode to detect DNS or route interaction issues

When testing, use the same target service and similar time windows. Speed can fluctuate heavily during peak hours, so controlled comparisons are more reliable than one-off measurements.

How to Check for DNS Leaks

Visit dnsleaktest.com or ipleak.net and run a standard test. If reported resolvers do not match your expected proxy-side DNS path, review your DNS section, rule behavior, and TUN settings.

For users in restricted or high-surveillance environments, leak testing should be part of routine maintenance, not a one-time check. Re-test after major client updates, OS upgrades, or provider-side subscription changes.

Why Use the Clients Recommended on This Site?

There are many tools labeled with "Clash" online, but quality and safety vary dramatically. Some old clients are no longer maintained yet still widely distributed in unofficial download mirrors. These outdated builds can fail with modern protocols, miss security patches, or include compatibility bugs on new operating systems.

In addition, modified installers from unknown channels may include adware or malicious payloads. Choosing a trusted source is not just a convenience decision; it is a basic security requirement.

The clients listed here are actively maintained open-source projects. You can verify authenticity directly on GitHub:

• Clash Verge Rev: github.com/clash-verge-rev/clash-verge-rev - Recommended for Windows, macOS, and Linux desktop
• ClashMeta for Android: github.com/MetaCubeX/ClashMetaForAndroid - Recommended for Android
• Mihomo core: github.com/MetaCubeX/mihomo - Core engine used by the clients above

Compared with manually searching every new release yourself, our hosted downloads are easier to access and often faster to fetch in regions where GitHub connectivity is inconsistent. That helps users complete setup reliably instead of getting blocked by download bottlenecks.

Conclusion: The 3 Core Steps to Use Clash with Confidence

No matter which platform you use, stable Clash setup can be reduced to three core actions:

1. Install the correct client build: Download from a trusted source, complete first launch, and verify basic runtime status
2. Import and activate your subscription: Add your profile URL in Profiles, refresh it, and confirm node availability
3. Enable the right routing mode: Use System Proxy for standard scenarios, and TUN mode when you need full-app traffic coverage

Once those three are done, you can handle most daily scenarios smoothly. From there, the biggest quality improvements usually come from DNS leak prevention, better proxy-group strategy, and small custom rules for your personal workflow.

Recommended Next Reads

If you have finished the basic setup, these advanced topics will help you get more performance and reliability from Clash:

• Rule routing deep dive: Understand DOMAIN, IP-CIDR, GEOIP, and priority order to build your own policy logic
• Complete TUN mode guide: Fix UDP bypass issues, improve game routing, and strengthen DNS leak protection
• Subscription conversion and node management: Use tools like Sub-Store for filtering, merging, and auto-selection
• Error diagnosis playbook: A step-by-step checklist for the most frequent setup and connectivity issues