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

Microsoft’s free Minecraft for Windows 10 giveaway ends at midnight for Java players Legacy Minecraft: Java Edition players can still snag free codes to the Windows 10 Edition until midnight.

As announced earlier this month, Mojang will soon launch the beta for a "whole new version" of Minecraft, the Windows 10 Edition. Anyone who's purchased the PC/Mac version version previously ...