Android
快连VPN安卓版、快连VPN安卓下载、快连VPNAPK。
LetsVPN Android APK for phone and tablet installation.
直接下载Download
下载文件与更新时间
Files and update time
快连VPN下载官方文件
LetsVPN download files
这里集中提供快连VPN官方下载、快连VPN下载链接和快连VPN下载地址。请先选择 Android、Windows、macOS、iOS 或 Linux 文件，再继续阅读安装、验证和兼容性说明。
This download center lists LetsVPN official download files for Android, Windows, macOS, iOS, and Linux before setup guidance, verification, and system requirements.
Windows
快连VPN电脑版、快连VPNWindows下载。
LetsVPN Windows download for desktop installation.
直接下载DownloadmacOS
快连VPNMac版、快连VPNmacOS下载。
LetsVPN macOS download for notebook and desktop setup.
直接下载DownloadiOS
快连VPN苹果版、快连VPNiOS下载。
LetsVPN iOS download with the official IPA file.
直接下载DownloadLinux
快连VPNLinux下载，适合工作站和轻量服务器。
LetsVPN Linux download for workstations and lightweight server setups.
直接下载Download安装步骤按平台处理
Installation guidance by platform
先完成文件下载，再根据系统权限继续。不要在未知页面重复点击下载，也不要使用非官方镜像。
Download the file first, then continue with the platform permission flow. Avoid unknown pages and unofficial mirrors.
移动端
Mobile
- ✓Android 安装 APK 后检查系统 VPN 权限。After installing the APK, review system VPN permission.
- ✓iOS 安装 IPA 后确认 VPN 配置描述文件。After installing the IPA, confirm the VPN configuration profile.
桌面端
Desktop
- ✓Windows 运行 win.exe，允许网络适配器配置。Run win.exe and allow network adapter configuration.
- ✓macOS 打开 DMG，把客户端放入应用程序目录。Open the DMG and place the client in Applications.
Linux
Linux
- ✓给 linux.run 执行权限后运行安装。Grant execution permission to linux.run before setup.
- ✓首次连接后记录协议和线路状态。After first connection, record protocol and route state.
查看校验信息
Official-source verification
快连VPN下载地址应与文件名、HTTPS 证书和发布通道一致。校验重点是确认文件来自官方源，而不是第三方跳转。
LetsVPN download verification focuses on source, file name, HTTPS certificate, and release channel alignment rather than third-party redirects.
官方源核对
Source checklist
- ✓下载主机必须是 download.kuailiang.org。The download host must be download.kuailiang.org.
- ✓文件名必须对应 android.apk、win.exe、macos.dmg、ios.ipa 或 linux.run。The file name must match android.apk, win.exe, macos.dmg, ios.ipa, or linux.run.
- ✓浏览器应显示 HTTPS 加密连接，且没有中间跳转域名。The browser should show HTTPS and no intermediate redirect domain.
SHA-256 工作流
SHA-256 workflow
下载后可使用系统工具计算摘要，并与官方下载源同页展示的摘要比对；如果摘要或签名不一致，请重新从本页入口获取文件。
After download, calculate the digest with system tools and compare it with the digest shown by the official source; fetch the file again from this page if it differs.
兼容性与系统要求
Compatibility and requirements
系统要求围绕网络扩展权限、证书验证、后台连接和执行权限。安装前先确认设备策略允许 VPN 配置。
Requirements center on network extension permission, certificate verification, background connection, and execution permission.
Android
建议使用仍接收安全更新的 Android 设备，并允许 VPN 配置。
Use an Android device that still receives security updates and allows VPN profiles.
Windows
需要允许网络适配器、系统代理或 VPN 相关驱动配置。
Allow network adapter, system proxy, or VPN driver configuration.
macOS
需要允许网络扩展和应用来源确认。
Allow network extension and application source confirmation.
iOS
需要允许 VPN 配置描述文件和通知提示。
Allow the VPN configuration profile and system prompts.
Linux
需要执行权限、网络管理权限和可用的系统证书。
Requires execution permission, network management permission, and system certificates.
网络环境
Network
首次连接建议在稳定网络下完成，再测试公共 Wi-Fi 或移动热点。
Complete first connection on a stable network before testing public Wi-Fi or mobile hotspots.
下载与安装疑难解答
Download and setup FAQ
以下问题覆盖快连VPN下载官网、安装包选择、连接失败和来源校验。
These answers cover the download page, installer choice, connection issues, and source verification.
快连VPN下载链接打不开怎么办？
What if a download link does not open?
先确认网络和 DNS 状态，再从本页重新点击对应平台文件。不要改用未知镜像或非官方包。
Check network and DNS state first, then click the same platform file again from this page. Avoid unknown mirrors.
安装后无法连接怎么办？
What if the client cannot connect after installation?
按默认协议、备用线路、重新授权系统 VPN 权限的顺序排查，并记录错误提示提交支持服务。
Check default protocol, backup route, and system VPN permission in order, then send the error message to support.
可以保留安装包吗？
Can I keep the installer?
可以保留与版本号对应的官方文件，但更新时应重新从 download.kuailiang.org 获取最新文件。
You can keep the official file for its version, but fetch current releases again from download.kuailiang.org.
支持、法律与来源边界
Support, legal, and source boundaries
使用者需自行确认当地合规要求。快连VPN官方支持会优先询问平台、文件名、版本通道、系统权限和连接错误。
Users should confirm local compliance requirements. Official support will usually ask for platform, file name, release channel, system permission, and connection error.
支持服务
Support service
support@kuailiang.org
隐私与条款
Privacy and terms
安装前应阅读隐私政策、服务条款和系统权限提示。
Review privacy policy, terms, and system permission prompts before installation.
官方来源
Official source
本页只列出 download.kuailiang.org 的五个客户端文件，不提供其他平台或跳转器。
This page lists only five client files from download.kuailiang.org and no other platform or redirector.