While Minecraft Beta 1.7.3 is a legendary version of the game—often cited as the "golden age" before the Adventure Update changed the world generation—finding a "free download" for it today usually involves some risks.
In the version dropdown, scroll down past the modern releases until you find old_beta b1.7.3 . Minecraft Beta 1.7.3 Download Free 2021
If you are a builder, stay with modern Minecraft. If you are a or a nostalgia seeker , downloading Beta 1.7.3 via the official launcher is the best gaming decision you will make in 2021. While Minecraft Beta 1
This is the last version where the legendary world-border glitch, the Far Lands, exists in its most recognizable form. the Far Lands
The official launcher allows you to play historical versions directly if you have a paid account.