It is very simple. Follow the following steps below.
1. First go the Facebook homepage.
2. Go to the signup option and fill up all the details over there including name, email, password etc.
3. After completing the registration process, you will get a confirmation link to that email address what you have used for your Facebook account.
4. Go to your email and click on the confirmation link an follow the further steps. It will ask for your mobile no. And you just put your mobile no there. A confirmation code will be available on your mobile no through message or call depending upon the choice you have entered for sending of code before.
5. Just put that code at mentioned place and complete the verification process. This will complete your account creation process on Facebook. Then you can set your profile as for your requirement.