Installation
You will find download links to Google Drive for Desktop for both Windows and Mac here.
Download the appropriate installer package.
On your computer, open the installer.
Windows: GoogleDriveFSSetup.exe
Mac: GoogleDrive.dmg
Follow the on-screen instructions.
Use
When you install Drive for desktop on your computer, it creates a drive in My Computer or a location in Finder named Google Drive File Stream. All of your Drive files will appear here.