The biggest difference you will see in Windows 11 is the task bar, which has moved from the left of the screen to the center. You can move it back to the left if you prefer.
Windows 11 does have some nice new features, like the ability to “snap” documents or windows to four corners versus two sides, doubling or quadrupling the visuals on your monitor!
For more insights, check out Windows 11 tutorials such as Meet Windows 11: The basics from Microsoft or Windows 11 Quick Tips in LinkedIn Learning.