Hi Sue
When you purchase a new PC, they are generally very much out of date, because the manufacturers load them from a factory image . . .
Click your Start Button, type winver and hit Enter
On the resulting dialog, what version of Windows 10 are you running?
If you are not running version 1809, you need to update your system to get that functionality:
Click the link below, then click 'Update Now' on that page to immediately get 1809 and bring your PC right up to date