Step 1: Install iTunes 10.1 on your Mac or Windows PC if you haven't already done so. (Use the Apple Software control panel to check for the iTunes software update.)
Step 2: Connect your iDevice to your computer to sync your data and back it up.
Step 3: Select your iDevice from the iTunes "Source" list.
|iTunes 10.1 Devices Source List|
Step 4: Click the Check for Update button.
|Click the Check for Update Button|
Step 5: Click the Next button to begin the upgrade process. Follow the on screen directions.
|Click Next to Begin the Install Process|