The latest operating system update for iPad and other iOS devices is now available.
Depending on your device, the download size will vary. To begin the download without connecting to a computer, you must have Wi-Fi access. Then, tap on Settings > General > Software Update. Then, tap download and install. You should have your device plugged in and charging.
The process will begin. The update will take several minutes and the time depends upon your internet connection speed.
You may want to sync your device with iTunes prior to the update to be safe.