Navigate to https://classroom.google.com

Click on the plus (+) symbol in the top right corner of the screen

Click on "Create class" in the drop down menu

A window will pop-up after clicking on "Create class"

Fill in the appropriate information (Class name is required)

Click on "Create" in the bottom right corner

Congratulations, you have created a class!

Creating a class also creates a folder in Google Drive that saves all documents that are posted in the class

You can also Invite your students to your class

After you explore what Google Classroom offers with a class, go to Adding Material to see how to create assignments.