Please note that you should plan on a minimum of three hours for this upgrade to complete. While your laptop is upgrading it must be charging with AC adapter plugged in and you MUST not interrupt it. Please just start the upgrade and let it run, undisturbed.
As of August 12, 2020, anyone who has not completed the upgrades will have their browsers blocked. After completing the upgrades, go back to Self-Service and run the Unblock Web Browsers App