The alpha is available by invitation only. Some of those who opted in when the game was first announced will receive an email with instructions on how to participate in the alpha.

The Diablo 2 Resurrected alpha classes are:

This initial alpha only includes single player mode, and it reuses the original game’s cutscenes. However, Blizzard said it’s not indicative of the final product, which will feature improved cutscenes, among other things.

While the alpha will have no level caps, the alpha won’t let player transfer their data to a later version.

Blizzard said it will hold at least one more Diablo 2 Resurrected alpha between now and the game’s 2021 release.

[Source: Blizzard]

Diablo 2 Resurrected Technical Alpha Brings the Classic Back to Life - 9