To submit an assignment, first go to its page through either the course grades page or the calendar.

1. This section contains information on the due date, the amount of points it's worth, and what needs to be submitted (a PDF, an image, a text box, etc.).
2. Click this button to submit your assignment.
3. This panel will let you view your submission, show any comments and feedback, and display your grade.

Once you click the red button to submit your assignment, a new panel will pop up that looks like the following:

The tabs allow you to select different methods for submitting your assignment. The most common are "File Upload", "Text Entry", and "Google Drive". For "File Upload", select the "Upload File" button and pick the file from your computer. Once you've selected all necessary files, click "Submit Assignment" to finish.