Nov 08, 2019 If your UAH computer is using Windows 10 version 1803 or older, you will begin seeing a pop-up message on Wednesday, November 13 at or after 12:00 noon. The message will prompt you to update your operating system. Windows 10, version 1803 will reach the end of support on November 12, 2019. Users with that version will no longer receive security updates after that date. OIT will upgrade all computers to version 1903 during the Thanksgiving break if the user has not updated the operating system by November 29. We suggest that you apply the update as you leave your office for the day since it could take over an hour to complete. Please note that settings and files on this computer will not be lost or damaged during the update. Simply click "Install" on this notification and follow the prompts. If you have any questions about this, please contact the OIT Help Desk at email@example.com or by calling 256-824-3333.