The basics of Windows 10
To master the basics of Windows 10, to see what is new, discover surprising and little-known tricks and to try things out with a press of a button, use the Windows 10 tips app. Simply type ‘Tips’ in the search box on the taskbar to find the app, or chose the Tips app in the Start menu.
Windows 10 help
Microsoft have a comprehensive help site for Windows 10:
Windows 10 tutorials
There are literally millions of help pages or video tutorials available online. Try searching ‘Getting started with Windows 10’ or ‘Windows 10 tutorials’ in your preferred search engine.
Spending a bit of time learning Windows tips and shortcuts will definitely save you time in the long-run.
The following websites are also very good sources of support and advice: