You can control how Google Drive for Desktop synchronises your files, and can access your Drive files at any time using the Drive for Desktop icon in the system tray of the Windows taskbar.
Click on the Google Drive for Desktop icon in the taskbar tray to view options:
Any files that have recently synchronised will display.Â
Click on the Folder icon to show your Google Drive folder in Windows Explorer
Click on the Settings icon to show additional options e.g. to pause syncing or to close Google Drive for Desktop