You launch it from wherever you saved it to.
Yes it is
Check your internet connection.
Download, portforward, and run it.
Close minecraft and then reopen it. Repeat until working.
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
Well minecraft has a copyright on the game so a free download not from minecraft.net is illegal.
i am not sure but i think they are working on it
Millions of people have them.
The demo is working to give you a taste of minecraft so you might decide buying it. However the free Classic version is no longer hosted by Minecraft. Some old Classic servers are being hosted via other means.
Because its ileagal, buy the game.
You have to right click