If you follow the steps above and receive an error, here is the fix for the most common problems.
Once you convert a License Key to an Activation Code, the original License Key becomes a voucher. You cannot get a second Activation Code from the same License Key. kaspersky license key to activation code
However, you can retrieve the existing Activation Code: If you follow the steps above and receive
Alternatively, log into my.kaspersky.com → Licenses → Click the three dots → "Show activation code." Alternatively, log into my
Sometimes you already installed Kaspersky but selected "Enter activation code" too early.