iPhone owners that don’t own a Mac computer and would like to synchronize and manage their media collection on a Windows PC. May find this guide on downloading and installing iTunes on Windows helpful ...

Should you ever need to uninstall iTunes and reinstall it for any reason, such as if your iTunes library becomes corrupted, you may be concerned about holding onto your music and not losing any of it.

The USB or the lightning cable you are using to connect iPhone with your PC might be faulty. You need to verify that and try connecting again after restarting the PC ...