After you open the program, just click on the "Options" button at the top of the screen. Then the "Register" button at the bottom.

The next box will ask for your Order Number and Serial number. After entering your registration information please click the "OK" button.
If you have not registered Evidence Eraser click here.
Existing users can find their order and serial number here.

Click here to move on to step 2: Setting Up Evidence Eraser.