Step 1: Go to the Academic Software page of Azure Dev Tools for Teaching and click on 'Go to Dev Tools for Teaching' on the right.
Step 2: Click on 'Sign In'. If you are logged in with several Microsoft accounts, choose to continue with your school email address.
Step 3: Choose your country code and enter your mobile number. Then click on 'Text me'.
You will receive a 6-digit verification code via SMS. Enter it and click 'Verify code'.
Step 4: Check the top box to agree to the terms of use and click 'Accept terms'. The second box is about information and promotions via email. You may uncheck this if you wish.
Step 5: You are now logged in and will be redirected to the Azure Education page.