The safest way to access this version is through the official Minecraft Launcher Minecraft Launcher and ensure

Because it is a Java-based program, it does not natively exist as an

of Minecraft, which was originally developed for PC (Windows, macOS, Linux) and released on August 13, 2010

"Show historical versions of Minecraft: Java Edition in the Launcher" is checked. Installations tab, click New Installation , and find old_alpha a1.0.16 in the version list. On Android (Workaround) Java Edition