> For the complete documentation index, see [llms.txt](https://docs.deguard.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.deguard.io/product-guide.md).

# Product Guide

- [Supported protocols](https://docs.deguard.io/product-guide/supported-protocols.md)
- [WireGuard](https://docs.deguard.io/product-guide/supported-protocols/wireguard.md): A state-of-the-art VPN tunneling protocol redefining the landscape of secure communication.
- [VLess](https://docs.deguard.io/product-guide/supported-protocols/vless.md): Velocity Multiplexing over TLS
- [Guides](https://docs.deguard.io/product-guide/guides.md)
- [Buying a plan](https://docs.deguard.io/product-guide/guides/buying-a-plan.md)
- [How to check if the mint was successful](https://docs.deguard.io/product-guide/guides/how-to-check-if-the-mint-was-successful.md): This page provides a comprehensive set of instructions to ensure you can confidently confirm the success of your DeGuard NFT minting process.
- [VLess setup](https://docs.deguard.io/product-guide/guides/vless-setup.md)
- [WireGuard setup](https://docs.deguard.io/product-guide/guides/wireguard-setup.md)
- [Download clients](https://docs.deguard.io/product-guide/download-clients.md)
- [Troubleshooting](https://docs.deguard.io/product-guide/troubleshooting.md): Encountering issues with your DeGuard VPN?