If you've previously installed iTunes, the installer will prompt you to repair the software. Right click on iTunesSetup or iTunes6464Setup (the installer you downloaded in step 3).When prompted, click Save (instead of Run) Click Download Now to download the iTunes installer. Install the latest Microsoft Windows updates.Make sure that you're logged in to your computer as an administrator.In addition, one can try the following troubleshooting steps outlined on the Apple support page to install iTunes on Windows: Troubleshooting steps to install iTunes on Windows 10

Those who download the 64-bit version of iTunes for older video cards also fixes several other issues such as QuickTime compatibility, playback and interaction with other third-party apps installed on the computer. It's worth noting, Windows 10 users are advised to download the appropriate iTunes files from the download links, based on the Windows version (32-bit or 64-bit) installed. The root cause of the iTunes installation issue has reportedly been attributed to incorrect and incompatible versions of iTunes being downloaded from the Apple's official download page: This issue can be fixed by manually downloading the latest version of iTunes for Windows 10 via direct Apple server links. 13 crazy facts you didn't know about the Apple Campus 2

Installing itunes on windows 10