How does the Win10 system reinstall the built-in application?

1. First, directly open the Xiaona function in the Win10 system, which is Cortana. After that, in the search window that appears, enter Powershell, then right-click on the search results and select the Powershell option. In the pop-up menu that appears, we choose to open as an administrator.

2. In the new window that appears, enter the following command directly:
Get-AppxPackage -AllUsers |  After the Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$ ($ _. InstallLocation) AppXManifest.xml"}

wait for the command to complete, restart the computer built-in applications, Win10 systems will have been installed, re-install With the built-in application, you can effectively fix some problems in the built-in application and you can use it normally.