This is a really simple thing to do!
Here are the videos that will help you out if you get stuck in some part of the process.
As a reminder I will let you know that it is absolutely necessary to have an E-mail account already created.
Here are the home pages of WordPress, GitHub and Twitter.
And Finally the videos!
Creating accounts: Blog, Twitter, and GitHub by esaupreciado is licensed under a Creative Commons Attribution 4.0 International License.