Apple has released iTunes 10.5 with iCloud support. You can download iTunes 10.5 for Windows and Mac OS X from the below given links.
iTunes in the Cloud. iTunes now stores your music and TV purchases in iCloud and makes them available on your devices anywhere, any time, at no additional cost.
Automatic Downloads. Purchase music from any device or computer and automatically download a copy to your PC and iOS devices.
Download Previous Purchases. Download your past music, TV, app, and book purchases again, at no additional cost. Previous purchases may be unavailable if they are no longer on the iTunes Store.
Sync with your iPhone, iPad, or iPod touch with iOS 5.
Wi-Fi Syncing. Automatically sync your iPhone, iPad, or iPod touch with iTunes any time they’re both on the same Wi-Fi network. iTunes 10.5 no longer requires or includes QuickTime.
How to update to iTunes 10.5
You can update to iTunes 10.5 from Software Update. Click the Start menu and select Apple Software Update. Available updates will be shown. Click Install to download and install them.
If no new updates are available, a dialog appears stating “Your software is up-to-date.”
Download iTunes 10.5 for Windows and Mac OS X
You can download iTunes 10.5 for Windows (32 Bit, 64 Bit), Mac OS X from here
