It's great to hear that your upgrade to Windows 11 using the Windows Upgrade Assistant went smoothly, and you haven't encountered any glitches so far. With your system specifications, including a robust processor, ample RAM, and a fast SSD, you should have a smooth experience navigating Windows 11 and exploring its new and updated features.
If you have any specific questions about Windows 11, need recommendations on features, or encounter any issues as you continue to explore the operating system, feel free to ask for assistance here. Enjoy discovering all that Windows 11 has to offer!