To add and upload files to Google Drive, you can follow these steps:

1. Open the Google Drive website (drive.google.com) and log in to your account.

2. Click on the "New" button in the top left corner of the screen.

3. Select the type of file you want to upload, such as a document, spreadsheet, presentation, or file.

4. If you select "File Upload," a window will open where you can browse and select the file from your computer. Select the file and click "Open" to upload it to Google Drive.

5. If you select a document, spreadsheet, or presentation, you can create a new file directly in Google Drive.

6. You can also drag and drop files from your computer into the Google Drive window.

Once the file is uploaded to Google Drive, you can organize it into folders, share it with others, or access