How to play Minecraft with a new mojang account?

I just made a new mojang account to play minecraft with. I already had minecraft installed onto my computer, but when I signed in with the new account I could only play the demo version. How do I make it so I can play the full version of minecraft but with the new account?

Can't Play Minecraft after purchasing?

Can't Play Minecraft after purchasing?

Added (1). I just bought minecraft through paypal, because my bank won't allow transactions to go through Europe. It said that the transaction was complete, but it will only let me play the demo. But it says on the website that they will email me if something went wrong with the transaction, and I have no such email. Am I doing something wrong?

Best Quad Core Laptop to Buy on a Tight Budget?

I've had an Acer dual core laptop since 2011, even though it's a 2009 laptop. It's had a decent run and has lasted quite a while, but it's time for a replacement. I've been trying to find a quad core laptop with a decent graphics card to run simple games like Minecraft, and has enough storage space for a lot of photos, music, and documents. The only problem is I'm on a tight budget and need to watch my spending. What's the best laptop that I'm describing that isn't too pricey?

Minecraft the diamond dimensions?

I'm currently playing the latest version of the diamond dimensions mudpack and I was exploring the world and I came across a grave on the surface of land and it says "madeline tried to swim in lava" ik it might be a glitch but the thought of another player in my world or something like tht… I don't know lol I just need a explination(can't spell for ****.) thanks!

Looking for people to play some games?

I'm looking to play some games with some people, the games i play are: GTA5, Tiger Woods, Call of Duty and minecraft. My PSN name is: EddieLaw97

1.7.10 launcher won't let me Play Minecraft?

My cousin logged in on my computer without my permission and him being a Minecraft addict Went straight to Minecraft. Long story short he logged in to his account and when he exited out it says "Loading…" And "Welcome, Guest! Please Log In.Ready to play Minecraft 1.7.10" Under that it says "Switch User"
It has been like this for ten minutes and when I click "Switch User" nothing happens.It just does nothing. What did he do? I know you might be like it says "Please Log In Just Log in Like it says"
But It literally has nowhere to log in.So Yeah Please Answer.
Bye!

Why does my minecraft keep freezing?

Well whenever i got my new mac i was So happy cuz i can finally start youtube its was really old but really good computer its has 250g and alot of gs of ram i don't know for sure i can play for a good 30 minutes but then it would freeze and my recording will cut off i rarely post videos because of this when i should have like 50 vidoes already but instead i have like 10 i wanted to put so much effort into this and i don't think i can anymore and if i try to turn it back on with mc i could play for about 5 mins before my mc freezes so then i have to turn it off and then turn back on its really annoying because i'm in the middle of an awesome survivel game video and al the sudden it freezes. Is there anything i can do about it because my mom said she can pawn this computer i'm using right now to type this and could get me a new one but i don't wanna wait because school is almost here but if i have to i will oh and btw it only freezes for games like Terraria Ace of spades not so much for Team Fortress 2 and ALOT for minnecraft is there anything i need to download or should i get a new one please help first good one will get best awsner and btw again safari works perfectly pretty much everything works exept for the games so yea its better then nothing though but please help…