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Open WeChat. Touch the Sign Up button. On the Sign Up screen, choose the region you live in, and then, in the Mobile number field, type your mobile phone number. Touch Sign Up. When it asks you to confirm your number, check your number, and then touch Confirm. WeChat will send you a text message with a four digit verification code. In the Enter code field, type the verification code, and then touch Submit.  If you didn’t get a verification code, touch No verification code received?, and then touch Resend to get another text message or touch Phone Call to get an automated phone call with the verification code. According to the WeChat Terms of Service, you need to be at least 13 years old and have your parents permission to use WeChat. On the Setup Profile screen, in the Full Name field, type a name.  On this screen, you can also choose a photo for your account. This is optional. You can type whatever name you want to use in the Full Name field. On the Find Friends screen, WeChat will ask you if you want to Find WeChat Friends. If you agree to this, WeChat will upload the names, phone numbers, and email addresses in your phone to the WeChat servers in order to find your friends using WeChat.  Touch Learn more to learn more about how WeChat will use your friends’ contact information. If you choose not to do this now, you can always do it later. If you choose not to do this, you can add friends manually.

Summary:
Register an account. Verify the account. Set Up a WeChat Profile. Find your friends on WeChat.