There are a few reasons why you might want to reinstall macOS (or even Mac OS X). Perhaps your Mac is working erratically and you think that a clean install of the operating system might fix the issue ...
•PowerShell can be a more scalable solution than using the Control Panel to uninstall applications, especially when dealing with multiple machines. • To remove an application using PowerShell, you ...
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.