: Loading ENBSeries or ReShade into older games to improve lighting and textures.

: Using injectors in online multiplayer games (like CS:GO , Team Fortress 2 , or Old School RuneScape ) can be detected by anti-cheat systems (VAC, BattlEye, etc.), leading to permanent account bans.

: If you must test it, use a Virtual Machine or a "sandbox" environment to prevent it from accessing your personal files.