1. Login into cPanel-> CloudFlare

2. Login into CloudFlare (May select login if you already own the account OR sign up if user yet to have any account with CloudFlare)

3. Upon linked, under step 1, select domain and under step 2 click on CNAME

4. The domain will automatically connect to CloudFlare with CNAME.

5. Done.

Source fromĀ CloudFlare.