In the following steps we will show you how to upgrade from TH-U Slate Edition to TH-U Premium.
You don't need to download a new installer, you can use the TH-U Slate Edition version that you have already installed on your computer.
1. Open TH-U Slate Edition (possibly as a standalone), then click the UPGRADE NOW button that you can find on the menu bar of the window.
2. Now click "I have a serial number":
3. This will open the Manage Licenses window where you can type or copy/paste the serial number for the upgrade, click AUTHORIZE and you’ll be done.