Step 01:

Ask your teacher to be added to the Sun West Adobe license.

Step 02:

Sign into 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.