Follow this Method
1. Try the links to Login Https Sa Www4 Irs Gov Account, from the below answers.
2. Use your Https Sa Www4 Irs Gov account User ID and Password to Signin.
3. If you do not have your account registered on Https Sa Www4 Irs Gov, you can create new account or id you forgot your password, you can reset it to login Https Sa Www4 Irs Gov.