Go to Settings > Personalization > Taskbar. For advanced customizations and when you need to configure multiple devices, you can use one of the ...
Right-click on the taskbar and select Taskbar settings , or use the following shortcut: Taskbar · Under Taskbar items, toggle the Task view switch to On or Off.
Right-click an empty space on the taskbar, and then choose Taskbar settings . Taskbar settings appear, which include icon size, taskbar location, and auto-hide settings. Toggle on or off Automatically hide the taskbar in desktop mode.
Open Settings > Personalization > Taskbar and click the Taskbar alignment drop-down menu under Taskbar behaviors the header. Change it to Left, ...
You can center your taskbar icons and choose different presets to customize the taskbar (default, transparent, blur, acrylic) There's also 7-taskbar-tweaker.