Tak samozřejmě...

1. Exit the Steam client application.
2. Browse to the Steam installation folder for the Steam installation you would like to move (C:\Program Files\Steam by default).
3. Delete all of the files and folders except the SteamApps folder and Steam.exe
4. Cut and paste the whole Steam folder to the new location, for example: D:\Games\Steam\
5. Launch Steam and log into your account.