Activate Listn Studio

Open the Studio menu and choose Activate. The window gives you two ways:

Listn Studio then says Listn Studio is activated on this computer. Thank you. It keeps working offline after that.

It says the licence is on two computers already

One licence works on two computers at a time. The window shows Take a computer off with the two computers it is on. Take one off, and this computer takes its place. See Move your licence to another computer.