How do I get a different version of Minecraft?

When you say "very first version", I think you mean first playable version. Yes, you can change it to the fist playable versions by clicking on "enable Alpha" or "enable...

You can get a mate in the trial version, you just have to have 800+ experience. It's the same as in the full version. You do need the full version...

Many of (if not all) the battery current measuring apps do not report accurate readings.

This is not possible anymore. The offer to have gotten a free code for buying Java Edition is now expired.

Try another version of MCEdit. Maybe MCEdit couldn't locate the Minecraft folder which is why it said you need to download Minecraft.

A simple jacket or cardigan can completely change an outfit! You can also use different accessories, or maybe add a belt.

Yes. At least one ambitious player has designed a virtual redstone computer that can run a simplified version of Minecraft in the game.

You need to press "Win + Alt + PrntScn"! (Win is the Windows logo key beside the alt.)