Log in to your Mojang account. If you don't have a Mojang account, register for onefirst.

- You can also visit Minecraft and select Pre-Paid Cards, the link will take you to https://account.mojang.com/redeem redeem page. -From mojang website select My Accounts and select Redeem Card.

Enter the card code and Click the "Redeem Gift Code or Prepaid Card" button under "Redeem Gift Code or Prepaid Card".

Choose your Minecraft username. You can check if a name is available by typing a name in the "Profile name" field, then click "Check availability". If the username is available, accept the terms by checking the box next to "I have read and agree to the Minecraft End User License Agreement and Privacy Policy", then click "Choose name".

To download the game, click the Windows, Mac or Linux icon on your account page at account.mojang.com/me. On a Windows PC, download the launcher, place it anywhere you'd like, then run the program. On a Mac, download the file, unpack it, then place Minecraft in your /Applications folder. You can download the game on as many computers as you'd like, as many times as you'd like. For more helo visit Redeem Minecraft