Preload for Diablo 4's Server Slam Weekend is now available as of 12pm PST! Diablo 4's Server Slam weekend will start on May 12 at 12pm PST. The Beta client is about 85 GB in size. For players worried about download size, you can also exclude high resolution assets — this should help save some space! Blizzard Global Community Development Director Adam Fletcher posted this handy cheat sheet for players on Twitter: Those players who never uninstalled the client from Early Access and Open Beta Weekends — you're in luck! You won't need any extra download for the Server Slam Weekend.
How to Download Server SlamThere’s no need to wait until May 12 to begin your download of Server Slam! Early Download for this experience starts on May 10 at 12 p.m. PDT. See the directions below on how to download Server Slam for your platform of choice.
If you do not have the Diablo IV Open Beta downloaded:
PC
Launch the Battle.net client. If Diablo IV is not already in your Favorites bar, you can add it by clicking on the + icon. Alternatively, you can find Diablo IV by accessing the All Games page. You’ll see Diablo IV at the top of the list. Once you get to the Diablo IV Game Page, click the dropdown menu under Game Version and select the Diablo IV – Server Slam option. Click the blue button that says Install. The game will begin to install, and once it’s available, click Play to Launch.Xbox
Launch the Xbox Store and search for Diablo IV–Server Slam. Select Download.PlayStation
Launch the PlayStation Store and search for Diablo IV–Server Slam. Select Download.For those that still have the Diablo IV Open Beta downloaded:
Once the Early Download period begins, an update will be available for you to download. After Server Slam starts, you can Read more on wowhead.com