Download the Steam Client and create an account.
A "free" cracked GMod costs you security, updates, and 99% of the fun. Gmod Free Download Windows
During Steam Seasonal Sales, the price often drops to $4.99 or lower. Why Avoid "Free" Downloads? Download the Steam Client and create an account
GMod uses the same build for Windows 7 through 11. The 64-bit beta (available in Steam Launch Options) is recommended for Windows 10/11 users as it uses more RAM for large servers. Gmod Free Download Windows