You can use either online or offline activation. For online Master PDF Editor activation, your computer has to be connected to the internet. If you are already connected, perform the following actions:
Double click Master PDF Editor icon on desktop and choose Help → Register… in main menu.
You’ll see the following screen:
Copy registration code you received before and paste it into corresponding field (look at screenshot).
Then click Activate button. Application activation allows you to use all Master PDF Editor functions without watermarks in output file.
After completing activation, you will receive free updates for your Master PDF Editor copy within 1 year.
In order to find out are there any updates available for you, select Help → Check for Update.