The Escapist

Turns out Highguard requires Secure Boot to run – Here’s how to enable it

Highguard requires Secure boot TPM to operate and playt the game. Here's how to get it setup and play the latest Steam hit.

Highguard requires Secure Boot to play, which might not be a popular move

You will also need a TPM.
Game Rant on MSN

How to fix Secure Boot error Highguard

Troubleshoot Highguard launch issues with our guide covering Secure Boot, Easy Anti-Cheat, file integrity checks, and more.
Indiatimes on MSN

How to enable secure boot and TPM 2.0 to play Highguard on PC

Highguard requires Secure Boot and TPM 2.0 to run on PC. This guide shows how to check system status, enable both features in BIOS, and explains why the game’s anti-cheat depends on these security ...