how to uninstall and reinstall itunes in windows 10

Use the Windows uninstaller process.

1. Click Start

2. Type 'Apps and Features'

3. Scroll down and click on 'iTunes'

4. Click 'Uninstall'

Then download it again, form either the Microsoft Store or Apple's website and double click the installer.

click here ➜ https://www.apple.com/itunes/download/win64

or here ➜ https://apps.microsoft.com/detail/9pb2mz1zmb1s?hl=en-US&gl=US

In addition to what Phil0124 said, see the Removing and reinstalling iTunes and other software components section in:

Troubleshooting issues with iTunes for Wi… - Apple Community