Lots of shops closed, WFH for large parts of the population. Schools of all sorts closed, sports club closed, severe limits to groups of people. No hairdressing, no driving-school, I could go on.
Why was this downvoted? It is true that there is difference between "it is illegal to go outside" and "a lot changed, but you still can go for walk or sport".
None of those things are "encouraged." There are non-stop radio spots telling people to stay home. You've got cheeky stuff like Randy Newman singing lyrics like "get away from me" to the frankly dystopian line from George Takei saying, "Stay in splendid isolation."
The are otherwise normal people that are still terrified. Anecdotally, I know people who have had the thing and still won't participate in society because they are convinced that they could die. We've really done a good job of disturbing people, and we're going to see weird fallout from it.
A lot of those terrified people did indeed die; exactly 1 every 4000 people (in the US), plus a lot more will die in the following months, not to mention the ones that "recover" but thanks to permanent damage to their lungs and other organs will die in the next few years due complications from it, so please let's not talk like those fears are unfounded.
"It’s okay to go outside to go for a walk, to exercise, and participate in healthy activities as long as you maintain a safe physical distance of six feet and gather only with members of your household. Below is a list of some outdoor recreational activities: Athletics, Badminton (singles), ..."