OneDrive - Setting up the desktop application for backup

• Open the OneDrive application from your windows 10 computer (if it isn't installed, you can download it here - Download OneDrive - Microsoft OneDrive)
• Enter your email address to sign in with your Second Harvest account
• Click "Next" to select the default OneDrive folder location
• Click Continue to back up your Desktop, Documents, and Pictures folders
• 
• Click Next through a series of informational tips

That's it! Documents from your desktop, documents, and pictures folders will now be securely stored in the cloud.

More info: Turn on OneDrive Backup - Office Support (microsoft.com)

OneDrive - useful links – Second Harvest of Silicon Valley (zendesk.com)