From your browser:
- Sign into your Google Drive
- To the left of the screen, click the "New" button

- Scroll down and select "Google Sheets"
- You'll be redirected to a blank sheet, like the one below

- To rename your sheet, go to the top left of the screen and click once in the section labled "Untitled spreadsheet" and type your new sheet name
- All changes to the sheet are saved automatically