This is a license especially for the TPCast! VirtualHere gives more functionality to your TPCast than the stock firmware. 1.License -> TPCast License $25.00 USD (50% discount) 2. Start your VirtualHere Client -> Right Click USB Hubs -> License... -> Copy to Clipboard 3. Paste in here --> 4. Click -> 5.After purchasing you will immediately receive an email containing your registration key.