- On your Steam Deck, go to desktop mode. Click the
Steam button
, go down toPower
, and thenSwitch to Desktop
. Wait for your Deck to reboot.- Next, open up the browser of your choice, go to the Blizzard download page (or just search for it on Google), and download the Windows installer.
- Next, we need to add the downloaded
.exe
file to Steam. Open updesktop Steam
, go toLibrary
, and at the bottom left corner, click on the plus sign, thenAdd a Non-Steam Game...
. Navigate to your downloads folder by clicking onBrowse
, and then go tohome/deck/Downloads
and add the Battle.net installer file to Steam. Don’t forget to showAll Files
underFile type:
if you can’t find the installer.- Now, navigate to the newly added entry in your Steam Library. It should be called something along the lines of
Battle.net-Setup.exe
. Don’t launch it yet, but instead click on thecog wheel icon
, thenProperties...
and underCompatibility
, toggle theForce the use of a specific Steam Play compatibility tool
option. During the beta, it was important to choose GE-Proton 7.51 or Proton Experimental. Follow our guide here to learn how to install GE-Proton. But it seems, it now works without pre-selecting a compatibility layer.- Now hit
Play
to launch the installer, follow the different steps, and wait until it’s done. When the installation process is done, you can remove theBattle.net-Setup.exe
from Steam again. Right-click it, go toManage
, thenRemove non-Steam game from your library
.- Next, we want to add the installed launcher to Steam. In Desktop Steam, go to
Library
, and at the bottom left corner, click on the plus sign, thenAdd a Non-Steam Game...
. Now we need to look for the file. Click onBrowse
and navigate to the following folder by going through the folder structure:home/deck/.local/share/Steam/steamapps/compatdata/
. Don’t forget to showAll Files
underFile type:
if you can’t find the installer.- Here you need to search for the latest added folder under
DATE MODIFIED
. It should be a 10-character long number. Open it, and go to the following folder:pfx/drive_c/Program Files (x86)/Battle.net
. Here select theBattle.net Launcher.exe
file. Add this one to Steam. If you can’t see it, be sure you haveAll Files
selected underFile type:
.- Don’t launch it yet, but instead click on the
cog wheel icon
, thenProperties...
and underCompatibility
, toggle theForce the use of a specific Steam Play compatibility tool
option, like we did in step four.- Phew! We’re finally done. Launch Battle.net now. If you want to customize the artwork, I propose you check out the following guide, but don’t forget to rename the non-Steam game we’ve added.
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