Currently, if you download a game from the Xbox Game Store on PC (or via Microsoft’s Game Pass), Microsoft will allow you to store the game on a specific folder on the local hard drive or SSD.

If your hard drive is running out of space, you can move your collection of PC games to a different drive. Here's how to set up the move from your game client of choice.

Microsoft looking at ways to “validate” Xbox discs for disc-drive-free consoles Patent application shows secondary device authenticating discs for digital download.