Personel License can be installed on as many PCs as you wish, as long as you are the only person accessing the Licensed version, covered in the Manual, specifically:
[quote:3msgsw8l]Unless a license is purchased for an organisation, the license is for the individual rather than their computer. This means you can use your licensed copy of Construct 2 on as many computers as you like, so long as you are the only one using it.