Technical Can't download the game

[Rvmzii]

Hello !
been a while on a game had to reboot my windows and lost the game files, when I tried to download the game again I can't neither choose the extention nor the way to download it. any fix ?

[Mitzen]

https://forum.warmane.com/showthread.php?t=461689

[ImnotAbd]

Hi guys me too I cant choose the extention