If your instructor has added you to a Crew, you should see a Crew Hub button appear at the top of your dashboard right next to the Help Chat button.
On your Crew page, you should see a tab labeled "Crew Files." Your Crew Files tab is a shared space for any members of your crew to upload and share their assets.
Two ways to download Crew Files
In your Crew Files tab, hover over the file you want to download. To the right, you'll see a download icon appear next to the file you're hovering over. Click the download icon to start downloading the file to your computer.
You will also see a Crew Files folder in your My Files tab on your Dashboard. Select the folder with the name of the Crew where the file you want to download has been added. Hover over the file you want to download to reveal the download button all the way to the right of the screen. Click it to start downloading the file to your computer.