Eternal Midgard 3

Create your account on the registration page.

Download the game (about 15 GB, fast), extract it (right click → Extract All…) and start the patcher (.exe) in the extracted folder – it checks the files and loads the latest updates. Or take Patcher only: it downloads the whole game by itself (slower, a few hours).

Click Play and log in with your account name and password. Windows asks for administrator rights once – confirm with Yes.