You can enable Cloudflare in just a few simple clicks...
Login to your cPanel via your cPanel url or via the cPanel button within the brain.
Depending on what cPanel theme you are using, you need to find the CloudFlare link. We use the e2 Panel theme, so on the right hand side under Software/Services, click CloudFlare.
Your email address should alreayd be entered into the field, so all you have to do is check the terms of service box and click the Signup Now button. Voilla, your site is ready to be Supercharged!