Nov 25, · How to authorize your computer in iTunes on Windows Authorizing your computer in iTunes gives it permission to access all your content. You can have up to five devices authorized in your name. Here's how to authorize your Windows 10 PC, and here's how to deauthorize your Windows 10 PC. Launch iTunes from your Start menu, taskbar, or slicelive.com: Simon Sage. Aug 16, · Help!! I just purchased an album from iTunes which I now understand automatically downloads to icloud. First how can I turn off this setting to directly download to my computer? Then how do I get the music to my library on my computer? I followed the online recommendation of signing into iTunes store and then going to purchased.