Windows installs each program into one of two folders. Here's why they don't all go to the same place, and what the number 86 has to do with it.

On Windows 11, you can configure virtually any computer application to launch automatically during startup using the Startup ...

Learn how to change default Program Files install or installation directory or folder location in Windows 11/10, so that software get installed automatically in it.

By terminating them, I was able to delete the 'Microsoft' folder in Program Files (x86). In addition, many folders in the 'WindowsApps' folder in Program Files are also deleted.