Once you have created and confirmed your activation account (see Creating an activation account), you can start a 30-day trial for your copy of PitStop Pro.
If the computer running your copy of PitStop Pro is connected to the Internet, you can start a 30-day trial from that machine.
Otherwise, you must create a trial request file and use a computer that is connected to the Internet to upload it to an activation server.
See the PitStop Pro Reference Guide for more information.