Step 01:
Ask your teacher to be added to the Sun West Adobe license.
Step 02:
Sign into https://www.adobe.com/ca/creativecloud.html and type in your Sun West email address.
Step 03:
Click, "Company or School Account"
Step 04:
Type in your Sun West Password
Step 05:
Click, "Open Creative Cloud"
Step 06:
Click the "Apps" tab on the top left, then click "Install" on the app(s) you need.