Sync a Site to your computer : Customer Care

Open the link to your SharePoint Site in Microsoft Edge.
Click the Sync button in the toolbar:
When prompted to switch apps, click Yes:
OPTIONAL: If you're prompted to sign in, do so using your email credentials.
OPTIONAL: If you're prompted to select which files to sync to your computer, select the folders and files from the Site you wish to sync to your computer and click Next:
Once you do this, you can close out of the short tutorial that appears.
You can now find the Site files synced to your computer in the file explorer under the root of your company's share:

Sync a Site to your computer Print