Most of the Windows apps you use are in the Store or the WinGet repository. UniGetUI is a free, open-source app that's easy to use. It's also a great way to back up and transfer a collection of apps.

Some video downloaders save videos as .ts files instead of normal .mp4 files. Those files can lag in VLC, behave badly in other popular media players, and feel even worse after moving them to a phone.