Two changes made a big difference for me in using Windows 10:
1. Turning off Cortana using these instructions: https://www.howtogeek.com/265027/how-to-disable-cortana-in-w...
2. Turning off most of the visual effects under "Adjust the appearance and performance of Windows." (I left "Smooth edges of screen fonts" and "Enable Peek" checked)
The combination of these two change feels like a whole new computer.