PAK Software

Install PAK Indexer the selected computer.  Then obtain the registration data for this computer from the File > Register dialog.

Send the registration data to PAK Software.  The registration data will be used to compute a registration keycode which will be sent to you.

Enter the registration keycode in the File > Register dialog.

If you want to move your registration to a different computer you will need a new keycode.  To obtain a new keycode you will have to undertake not to use, or allow anyone else to use, the old keycode.