Open Control Panel
Type in "pen" and search
You'll find a section called "Pen and Touch"
Click on Change tablet pen settings
The Pen and Touch dialog will launch
If you are comfortable using the command line, you can get to the Pen and Touch dialog directly.
Navigate to the Touch tab
Select Press and Hold
Click Settings
The Press and Hold Settings dialog will launch
Disable Enable press and hold for right-clicking
Click OK to close the Press and Hold Settings dialog
Click OK to close the Pen and Touch dialog