Updating ipad software on a different computer
Beware: the backup will include purchased music, TV shows, apps, and books; photos and video in the Camera Roll; and device settings, but it won't include anything you synced from your computer.
To re-sync that stuff you'll need to sync with i Tunes.
Beware though that at some point Apple will stop "signing" older versions of i OS so it will become impossible to downgrade.
If you have tried restarting your device and then updating and it did not work for you, Here are a few tips for you to consider: If the Update did not work for you, you can try to Restore it using i Tunes and then try to activate again.
We would recommend that you restart your i Phone or i Pad and try updating before attempting to Restore the device.
However if you are ever-so-eager to get your hands on i OS 11 now then here is how to go about it.
When Apple sets i OS 11 live you should get a notification informing you that a new version of i OS is available for you to download.
If you encounter any problems following the update to i OS 11 let us know in the comments, you can also check whether we have covered the fix here: What to do if you can't update your i Phone to i OS 11.