As Pogoplug Remote Access software is designated for a single computer in a given time, here's what you'll need to do in order to transfer it to a different PC:
- Log into your account at pogoplug.com
- Click on the upper-right 'gear' icon > Settings > General Settings
- Look for the relevant service according to your PC name and click 'unregister'
At this point, you should be able to associate a different computer with this license.