Or, to put it another way, to what extent did life and social structures just 'carry on as usual' for the common man after the Norman Conquest? Or was society radically restructured after 1066?
I have written on a few of these topics, so feel free to read some of my older answers that touch on the differences in life that the Norman Conquest brought.
About the political situation in Northern England and the "Harrying of the North"
The loss of slavery following the Norman Conquest