To install this version, you cannot use the standard launcher methods. You will need:
A bug that allowed players to copy blocks directly into their hotbar was removed. Sign Interactions:
Type %appdata%\.minecraft exactly into the empty text prompt. Click to open your core game installation path.
Use the Betacraft launcher, lower your expectations, and travel back to 2009. Just don't expect to build a castle. You only have 10 TNT and a dream.
Installing is not about playing a functional game. It is a digital archaeology mission.