Tip!
Google Sheets will automatically save all of your documents to your Google Drive (if you are connected to wifi). This doc walks you through:
1. How to download and save a Google Sheet to your computer
2. How to view a Google Sheet in your Google Drive

If you would like to download your Google Sheet to save on your computer, click "File"

Click the file type you would like to download, for example you could click "Microsoft Excel" or "PDF"

To view your sheet on your desktop, click the downloaded file at the bottom of your brower

To save the file in a different folder, click "File"

Click on the folder you would like to select, for example "Documents"

You can also change the name of the sheet by typing in a new name under "Save As" at the top of the box

Your Google Sheet will automatically download to your Google Drive. You do not need to click save to keep your changes. 

Your Google Sheet should be at the top of your Drive. If you can't find it, type in the name of the sheet under "Search in Drive"

When you return to the sheet it should tell you that all changes are saved

How to save a file on Google Sheets