For the best experience on modern computers, you should look for the official re-releases.
: Recently released with updated graphics, the ability to select up to 12 units, and improved UI. Available on Battle.net for approximately $14.90. Included with certain PC Game Pass subscriptions. Game Warcraft 2 Free Full Version
Warcraft II is not currently available as a "free full version" through official channels. While it was considered "abandonware" for years, Blizzard Entertainment re-released it digitally, making it a paid title again. Official & Modern Versions For the best experience on modern computers, you
: The classic version with original graphics and the "Beyond the Dark Portal" expansion. Available on Battle.net and GOG.com for around $9.99. Community & Legacy Options Included with certain PC Game Pass subscriptions
If you are looking for community-maintained versions or older ways to play, there are several active hubs.