Windows 10 supports two types of apps: classic Desktop apps (Win32) and modern Store apps. A classic app can be installed for all user accounts available in the OS. A Store app will be installed to each user account separately. If you no longer use some app, it is a good idea to uninstall it and free up space on the drive.
In Windows 10, you can use the Settings app or the classic Control panel applet to uninstall a program. To save your time, you might want to integrate the applet to the Desktop context menu and access it instantly. Here is how.