Sometimes Windows permissions block the registration file from saving. Try right-clicking the ABViewer icon and selecting "Run as Administrator" before entering the key. Lost License Key
Upon first launch, ABViewer will typically run in a trial mode. To remove limitations (like watermarks on prints or file size restrictions), follow these steps: abviewer 15 license key install
Your license key was sent to the email address used during purchase. It usually looks like a long string of alphanumeric characters. abviewer 15 license key install