Blizzard released an official, free demo of Diablo II. While it only contains a portion of Act I and limits your class choices, it is completely free and safe to download from classic gaming archive sites. 2. Single-Player "Abandonware" Archives

If you owned the original physical CD-ROMs of Diablo 2 and Lord of Destruction, you do not need to rebuy the game or download risky files. Blizzard allows players to claim digital versions of the classic installers.

Once you have the game installed, you can enjoy one of the best ARPGs ever created—either solo or with friends on Battle.net. Whether you are a returning veteran or a newcomer, the dark world of Sanctuary is waiting.

Software designed to scan your PC for saved passwords, crypto wallets, and browser cookies.

That said, many players already own physical copies or lost their discs but still have a valid CD key. For those cases, Blizzard offers a —provided you can supply the key.

: You will find download links for both the original Diablo II (2000) and the Lord of Destruction (2001) expansion.

The safest "free installer" is the official Blizzard Downloader combined with a legitimate CD key (which can often be found for under $10).

You must download and run the Diablo II (2000) installer first, followed by the Lord of Destruction (2001) expansion installer.