To use VPN tools like V2ray, Stash, Singbox, and Outline, you can use the new and powerful project Karing. The Karing project provides multiple apps for different operating systems. Based on your device and OS, download and install the suitable one.

Download link for Windows
Download link for Android
Download link for macOS and iPhone

This guide covers installation and usage for the Windows version, which is almost identical for other systems.

1. Download the app using one of the links above and install it on your device:


2. After launch, accept terms and choose your language, then click Add Profile:


5. On the main screen, click the settings icon:


6. Then click Add Profile Link:
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7. Copy the subscription link you received to your clipboard, paste it into the Profile Link/Content box in step 2, then click ✔:
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8. If successful, you'll get a confirmation message. Click OK:

9. Finally, click the orange circle. When it turns green, you're connected to the free internet: