To upgrade the trial version of your ESET product to the full version, you must first purchase a license. Once you have completed the purchase, you will receive an email from ESET (firstname.lastname@example.org) with a new License Key, Username, and Password. If you have already purchased a license, activate your License Key.
Click Buy license and follow the instructions from the ESET online store to purchase your product. For personalized assistance in North America, call 866-343-3738, option 1 (Monday – Friday, 6:00 a.m. – 6:00 p.m., PST).
Click Activate full product.