If you have purchased a license key for uMark then you can
use it to Register uMark on your computer and convert it from the trial version
to a full version.
Just select Enter
Registration Key option from the uMark splash screen or select Register option
from the Help menu.
Enter the Name in
which you have purchased the license key and the key you have received in the
email. Please make sure you enter the name and key exactly as it is mentioned in
the email you have received from us. If there are any variations in the name or
the key, uMark will not register.