It is officially announced by Apple that the iTunes Store will no longer run on Windows XP, Windows Vista, or first-gen Apple TVs from May 25, 2018. If your Windows computer system type is 64-bit, you should download iTunes 64-bit for Windows 10 If 32-bit, download iTunes 32-bit for Windows 10. Step 1: Open the Settings app by pressing Windows + I Step 2: Head to System > About. You should check whether you're using a 32-bit or 64-bit version of Windows 10 before downloading iTunes. If you failed to install, download or open iTunes on Windows 10, read the instructions below. If you prefer more device support, you'd better download iTunes from Apple's official website. ITunes Windows 10 app is still available at the Microsoft Store even when Apple has shut down iTunes starting from macOS Catalina.