If you found this key on a third-party website, forum, or received it as a standalone code for free, please exercise extreme caution:
The specific year 2038 isn't arbitrary. Many long-term license keys originated from "Internet Security" or "TuneUp Utilities" bundles sold years ago. In some cases, these were promotional keys or enterprise-level licenses designed for massive networks. Because of how the software's internal clock and subscription database were structured at the time, these keys often displayed an expiration date of 2038—effectively a "lifetime" license in the eyes of the software. How to Use an AVG License Key avg antivirus license key till 2038