It turns out Windows doesn’t always choose the smartest location.
On Windows 11/10, software is installed on your System Drive, usually the C drive, in the Program Files folder. The typical default paths in Windows 64-bit are C:\Program Files and C:\Program ...
A common reason to move your game install files is that you've added a new faster or larger drive to your system, and redownloading is impractical when you could simply move the files and reconfigure ...