Start by creating an account on GitHub
Create a repository on GitHub to hold your files and host your resume. You can find out how to do that here
Download and extract the following zip into the git repository you have just created. resume-template.zip
Commit and push the resume template to github
$ git add --all
$ git commit -m "Initial resume setup"
$ git push -u origin master
You should now be able to see the demo resume template using this theme at [your-username].github.io