Using Google Chrome,
Go to gmail.com
Sign in using your ACM email address and password
Follow the instructions to change your password when prompted.
Add two-factor authentication by following the on-screen instructions.
If you are experiencing problems with your email account, contact email@example.com.
NOTE: Log out of all other gmail accounts. You will not be able to access ACM resources with an account that does not end in @my.acm.ac.uk