To use Google Drive offline, follow these steps: 1. Open Google Drive in your browser. 2. Click on the gear icon and select 'Settings'. 3. In the 'Offline' section, check the box next to 'Create, open, and edit your recent Google Docs, Sheets, and Slides files on this device while offline'. 4. Follow the prompts to install the Google Docs Offline extension if prompted. 5. Ensure you have enough storage on your device to save files offline. 6. Once set up, you can access and edit your files without an internet connection.