Check the files that have been shared with you on Google Drive;
https://support.google.com/drive/answer/2375057
Download files from Google Drive:
https://support.google.com/drive/answer/2423534
Upload files and folders to Google Drive:
https://support.google.com/drive/answer/2424368
Participate in the conference by visiting the URL for your class:
https://support.google.com/meet/answer/9303069#url