Go to minecraft.net and click "Register" then fill out the information. If you wish to buy the game, click the big orange box that says "Get Minecraft!"
You cannot delete a profile on Minecraft at the moment.
you can either migrate it or not its up to You.
Yes, you can log into as many minecraft accounts on one computer as you want.
No
by going to the minecraft website and clicking on profile, edit character, then download the skin maker
By going on to the minecraft website and clicking on profile then press upload image and upload your image from there
You can change it under your profile on minecraft.net
Adds skins to the player profile.
create a new profile on the new minecraft launcher and then go into the edit profile option and you can change the version to 1.5.2 and now you can just load it up and play on old 1.5.2 servers.
You download the template on the minecraft profile page, open it with paint (or some other kind of photo editor), and you edit it from there.
You can't. Once you enter your information, there is no way to edit it again.
minecraft.net After it loads click on profile then change password