Before you start, check that the OneDrive app is installed on your computer. If not, you can download the OneDrive sync app here.
Click on the Windows Start Button and search OneDrive and open the OneDrive app.
Enter your Microsoft 365 email address and click Sign in.
Enter your Microsoft 365 password and click Sign in.
Microsoft's "Welcome to OneDrive" guide will appear. Click > to scroll through the hints and open your OneDrive folder.