Windows 11 is designed to work seamlessly whatever input method you use, whether it be touch / pen (inking) / voice / keyboard or mouse.
Below is an overview of some of the touch related settings and shortcuts available.
Touchpad Settings
Click Start > Settings > Bluetooth & devices > Touchpad
Here you can enable / disable the Touchpad, adjust sensitivity and enable gestures for zoom, scroll as well as three finger and four finger gestures.

Touch Settings
Click Start > Settings > Bluetooth & devices > Touch
Here you can enable / disable Three and Four finger touch screen gestures.

Touch Control Shortcuts
Below are for touch screen enabled devices and can also be used on some laptops with touchpads which support gestures:-
•Swipe left or right with four fingers to switch to another desktop.
•Swipe up with three fingers to switch to open Task View.
•Swipe down with three fingers to minimize all open apps.
•Swipe in from the left to open Widgets.
•Swipe in from the right to open Notifications.
Touch Keyboard
The Touch Keyboard can be enabled by right clicking on the Taskbar, choosing Taskbar settings and turning on Touch keyboard under Taskbar corner icons.

You can then open the Touch Keyboard using the icon now showing in the Taskbar.

You can click the cog icon in the top corner to access various settings for the keyboard including the ability to use themes to style the keyboard (as shown below), and to change the size.

You can also switch to a Handwriting input panel which will automatically convert your writing into text.

Virtual Touchpad
The Virtual Touchpad can be enabled by right clicking on the Taskbar, choosing Taskbar settings and turning on Virtual touchpad under Taskbar corner icons.

You can then open the Virtual Touchpad using the icon now showing in the Taskbar.
You can then use the on-screen touchpad to control the mouse pointer with your touchscreen.
