If you are working on an SCU computer, you can using the Grammarly online editor.
Step 1: Navigate to Grammarly portal: https://www.grammarly.com/enterprise/signin
Step 2: Type in your SCU email address and click the Continue button
Step 3: Next you'll be redirected to the SCU same sign on page. Login using your regular SCU username and password.
Step 4: You are now ready to use the online editor.
For instructions on how to use the online editor, refer: Additional support for Desktop app and online editor