The tag indicates a more sophisticated patch (typically version 2.02 or a modified 2.02 executable) that:

This article is for educational purposes and for owners of the original CD. Blizzard Entertainment no longer sells Warcraft 2: Battle.net Edition digitally (it has been delisted from GOG and Battle.net in favor of Warcraft 3 Reforged). However, distributing the full game is illegal.

In 1999, Blizzard Entertainment released Warcraft II: Battle.net Edition . This was a pivotal moment. It ported the game to Windows 95/98 natively (removing the need for MS-DOS mode) and, most importantly, integrated it into Blizzard’s fledgling online gaming service, Battle.net. This edition standardized the resolution at 640x480 and introduced the "High Resolution" assets that fans adore.

: Move the patched .exe into your game directory.