There are just a couple of easy steps you need to follow.
The Windows Explorer is a program that lets you browse the contents of disk drives. To start a Windows Explorer window: right-click on the second desktop icon from the top and choose Explore from the popup menu as shown in the screenshot below.
You are encouraged to organize files inside of folders. It's a good idea to create one folder for each of your CECS classes. Inside of a folder, you can create other folders. This creates what's known as a hierarchical file system. Here are the steps to create a folder for your CECS 174 class. See screenshot below for the results of the steps.
You're now ready to move to the next step. You may go back to the guide on getting started in the CECS Labs. This link should take you back.