1) go to http://www.weibo.com/
2) Click on the green button 立即注册微博
3） fill in your information as according to the picture
4) Once you click apply, there will be a pop-up, pls ans the question given, if its all chinese, try to change the question by pressing the 看不清，换一下 until you get a math equation to solve and type in the answer in numbers
5) click on the 立即查看邮箱. green button and it will link you to your email, find a email(sometimes in junk) frm sina/weibo and click on the link inside to activate your account.
6) You can follow heenim on weibo by going http://www.weibo.com/heenim18and click 关注 or searching his username 希天才 and click 关注 at his page.
7) Once you have followed him, you would see 以关注 on his page.
Hope it helps:)
full ceredit : @ampburger of @heechulfacts| tumblr