No, Mojang will always find out and change their website to make them useless
Make sure your console is connected to your TV via a HDMI cable. Without that specific cable, Minecraft will not allow split screen.
No. Not unless the codes are from a giveaway. Every site that claims to give free minecraft codes without working for them is a scam. I advise you stay away from them, as they will give you viruses and other nasty things.
You launch it from wherever you saved it to.
Download, portforward, and run it.
Check your internet connection.
Yes it is
Well, you can maybe google minecraft alts. Some of them are actually working. 80% do not work.
There are no motorcycles in vanilla (normal) Minecraft The only vehicles are minecarts and boats
Close minecraft and then reopen it. Repeat until working.
Well minecraft has a copyright on the game so a free download not from minecraft.net is illegal.
Millions of people have them.
i am not sure but i think they are working on it