Please follow the steps below:
Step1: Go to "Settings"-"Bluetooth & devices", choose "Touch"
Step2: Choose "Off" or "On"
If the setting is set to On (default), the system can use three-finger and four-finger interactions, but applications can't use them.
If the setting is set to Off, applications can use three-finger and four-finger interactions, but the system can't use them.
Take “Concepts” as the example:
Set "Show Colors" in three-finger touch function in Concepts.
When three-and four-finger touch gestures is set to ON, the "Show Colors" in three-finger function in Concepts can not be recognized, however it will control the system's touch features, for example, your three fingers swiping downwards to go to the desktop, swipe upwards to open Task View.
When three-and four-finger touch gestures is set to OFF, the touch functions in the system cannot be used, but the "Show Colors" in three-finger function in Concepts can be used normally.
Here is an article related to touch function for your reference.
Three-finger and four-finger touch interactions don’t work in Windows apps