Ensure you aren't confusing the letter 'O' with the number '0' or the letter 'I' with the number '1'.
If it's already installed, check the "About" section under the help (?) menu to find your registered code. honestech 7.0 product key
: If you purchased a physical kit, the key is usually printed on a sticker on the CD sleeve or inside the packaging. Ensure you aren't confusing the letter 'O' with