You can enable legitimate cheats for testing on your own server where VAC is disabled.
: Unlike temporary bans in other games, a VAC ban in TF2 is permanent and non-negotiable. How to use Tf2 Hack Free
If you want to experiment with game mechanics without risking your account, use the official built-in tools: 1. Offline Practice / Private Servers You can enable legitimate cheats for testing on
: Free "hacks" found online are often malware or phishing tools designed to steal your Steam credentials or personal data. Safe and Legal "Cheats" How to use Tf2 Hack Free