Google Docs is a tool of Google, which is used to write any content and you can download it in any format via going to the File option and select the Download. If you are not able to save Google Docs to your desktop, then you should confirm you have an active account and also connected with the strong internet connection. If you still face the same, then contact us or speak to a live person at Google to resolve it. https://www.email-contactsupport.com/gmail-customer-service-number/