You can change game modes in "Minecraft" by using the "/gamemode" command, but you'll need to enable cheats first.

To change your Minecraft name in the Java Edition, head to Minecraft.net and log in with your account. Once done, head to the profile page, look for the Minecraft: Java Edition box, and click ...

If you own a Chromebook, "Minecraft: Java Edition" is available to you via Linux. Here's how to download and install the popular game on a Chromebook.