In Windows 11, you can change the position of taskbar icons very quickly. To move icons in taskbar to the left side and get the same taskbar look like in Windows 10, you have to:
1. Click on empty spot on the taskbar with the right mouse button to show the options menu
2. Open Taskbar settings
3. On the left side of taskbar settings, click on Personalization
4. Click on Taskbar behaviors on the right side of the screen, to expand available options
5. Change Taskbar alignment from Center to Left
6. The taskbar icons postion should be changed