SCENARIO: The pen works well for selecting functions, but not for freehand drawing.
DEVICE AFFECTED: MSI touch laptop with a MSI touch pen.
WINDOWS OS: Windows 11
SOLUTION: Adjust Windows Ink settings.
OPEN THE LINKS FOR THE STEPS:
Change pen settings - Microsoft Support
Windows 11: This is the new and improved Ink Workspace panel | Windows Central
IMPORTANT: You might need to install Ink Workspace, after setting up the pen to also be able to be used as a mouse.