→ set “GE-Proton latest” as default in Lutris to resolve Battle.Net install issue
in Lutris menu, preferences, runners, wine, click on the wheel, set “GE-Proton latest” as default Lutris Wine version
→ use “GE-Proton latest” to play WOW, Warcraft III, starcraft etc…
→ If Battle.Net interface is black, enable hardware acceleration in Battle.Net options
If you don’t have “GE-Proton latest” in your list, you will need to install GE-Proton 10.4 (or an older version) with a tierce app like ProtonPlus