If you have deactivated your Facebook account, you can reactivate it at any time just by logging in. If you can not remember your password, you can request a new password. Learn more about how to reactivate your Facebook account if you can not access the email address you listed on it.
If you can not log into Facebook and need to reset your password:
Go to the Facebook login screen at www.facebook.com
In the top right, click Forgot your password?
Type the email, phone number, full name or username associated with your Facebook account, then click Search and follow the on-screen instructions
If you are having trouble logging into your Facebook account here are a few things to try first:
Forgot your password? Learn how to reset it.
Forgot your login email address? You can also log in with your username or phone number.
Review the known login issues for troubleshooting tips and more information about specific login issues.
If the troubleshooting tips above do not fix the problem, get help recovering your Facebook account.