There’s many ways to memorialize. Personally I find the the giant metal hunk of killing and destroying machine in a park context offensive, aesthetically as well as ideologically. But others may take a different view of course.
Okular is quite nice and I believe has a windows port (though I’ve not tried it). https://okular.kde.org/download/
Imagine being in a state so extreme (for whatever reason) that you feel the need to die, and in that state finding you have to deal with the court system. What a nightmare on top of a nightmare. I feel for all parties in this situation. Sometimes all options just painfully and intolerably suck.