@Kratos88 would be correct about the Note 8 series no longer will receive any major OS updates, just the normal security patch updates provided by your carrier. As far as I am aware, the Note 10/S10 series are the oldest models that have gotten or will receive the Android 11 updates.
Just a heads up, Rooting your device is not recommended and will void any factory warranty on the device.
An Accepted Solution has been marked and provided for this thread. This thread will be locked for further replies. In hopes to keep the integrity of the thread from steering in a non-technical manner. If you have a separate concern, feel free to post again or send one of our moderators a private message with more details. Please note duplicate posts on similar subjects starting 2/1/21, will be removed to keep our community organized and make it easier for our users to find needed content. Remember that if you do make a post, that you include as many details about your symptoms as possible. Also, make sure that your title is a good summary of the overall situation that's occurring. Thank you for being part of the Community!