1. Create an account for TERA or login into your existed account right here.
2. Click on the button “Enter Code” in the upper right corner.
3. Enter the following code: TERABETA
4. Click on Submit.
5. TERA has now been added to your game list, you can now click on the button “Download Game”.
6. This will download the launcher, in the launcher itself you need to login with your account details and after that the actual client download will happen.
7. Please be aware that you temporary need around 50 GB of free disk space. After the download and installation is complete the client will have a size of roughly 24 GB.