How to Fix Microsoft Store ‘Install’ Button Not Working issue

Reset Microsoft Store

Probably the first thing that you should do when the Install button is not working on the Store, is to reset it back to its original state.

1. Open Start Menu>>Settings.
   
2. Click on Apps>>Microsoft Store>>Advanced Options.
   
3. Then click on Reset.
   
4. A confirmation box will appear on which you again need to press the Reset button.
   
5. Once the reset is done, close the Settings menu.
6. Open the Microsoft Store and attempt to install an app and see if it has solved the issue or not.

Clear Store Cache

1. Open the Start menu and search for wsreset.exe.
   
2. Wait for a few seconds and let the command prompt clear the cache of the Microsoft Store.
   
3. Once the cache is cleared, the store will open automatically.
4. Check if this fixes the issue or not.

Re-login to Microsoft Store

1. Open the Microsoft Store.
2. Tap on the profile picture and click on the account.
3. Click on Sign out.
4. Relaunch the Microsoft Store app.
5. Click on the add profile button and sign in with your account.
6. Check if this fixes the issue or not.

Run Microsoft Troubleshooter

1. Open the Settings menu from Start.
2. Tap on Update & Security.
3. On the left side menu, tap on Troubleshoot.
   
4. Click on Windows Store Apps.
   
5. Press the Run the troubleshooter button.

Re-register Microsoft Store

1. Open Windows PowerShell from the Start menu.
2. Copy and paste the below command:
   Get-AppXPackage *Microsoft.WindowsStore* | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\AppXManifest.xml”}
3. Press the Enter button to execute the command.
4. Launch the Microsoft Store and see if this has resolved the issue or not.