In order to download the Trial Version of Minecraft: Java Edition, simply head over to the official Minecraft website and try the game for free. Go to the official Minecraft website, link here.

Minecraft Java Edition is one of the more popular versions of the game, built on its original form. The game, and it's trial variant, are available for download from the official Minecraft website.

Well, that's Minecraft for Windows 10, not Minecraft (Java Edition), which might be the version you're actually looking for.