If you are looking for a "portable" setup—meaning a version you can drop into a folder, run without an installer, and maybe keep on an external drive—here is the best way to get it running on Windows 11 today.
Elias tapped the screen. "Solitaire" launched. The cards didn't flip; instead, a terminal window opened, targeting the local area network. hitman contracts windows 11 portable
The contract was closed. The window was shut. If you are looking for a "portable" setup—meaning
Create a master folder on your USB 3.0 drive (e.g., D:\PortableGames\HitmanContracts ). Copy the entire GOG game directory into this folder. The critical files are: run without an installer