Right-click the file, go to , and check Read-Only to prevent the game from overwriting your new settings. ⚠️ A Note on Safety

fps_max 99.5 or 101 : Prevents "sliding" movements and keeps your game smooth.

CS 1.6 doesn't get game updates, but anti-cheat systems do. Ensure the CFG you download is from the current year to avoid compatibility issues with the Fastcup GameCatcher. Key Commands for Your Fastcup CFG

ex_interp 0.01 : Essential for accurate hitboxes on low-ping servers.

Navigate to your CS 1.6 directory (usually Steam/steamapps/common/Half-Life/cstrike ). Back up your original files first. Paste the new file into the folder.