@SamiHyppie,
Lucky brother!
Officially a Poker Copilot license belongs to a person, and is not transferable. But overlooking that detail, you can do what you want to do as follows:
1) delete or move all your hand history folders on your computer
2) select from Poker Copilot's menu, "File" -> "Reset Database"
Now your Poker Copilot database will be empty.
Regards,
Steve
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Steve McLeod
Founder, Poker Copilot
http://www.pokercopilot.com