Make sure you know how to Activate then make the order
Step 1: Press Win + X. In Windows 10, select Windows PowerShell (Admin) (A); in Windows 11, select Terminal (Admin).
Step 2: Copy irm | iex into the opened window (Copy: Ctrl + C, Paste: Ctrl + V).
Then press Enter and wait for the automatic redirect. A successful connection to the server will be indicated by a confirmation message.
Step 3: Afterward, enter the activation code in the ""Add a Game"" section at the bottom left of Steam to complete activation.
Reminder:If the game got removed ,dont worry ,please just copy the activate Code to reactivate it again ,then the game and game progress both there.