Look out for confusion between the number 0 and letter O , or number 1 and letter I . Always copy and paste the text directly.
Major version updates require valid registration data to authenticate with official update servers.
Which are you using? (Standard, Professional, or Enterprise?) What error message do you see when inputting the key? Are you moving the license to a new computer ?
: The registered username is displayed in the "About" box and can be changed at any time by re-entering the registration code and clicking a registration button. Offline Activation
Ensure no extra spaces are highlighted at the beginning or end of the key string.