Yes: I bought this in 2020. I make questionable decisions. Many, many of them
As of the time of writing, the official Fujitsu drivers page is still live.
For historical purposes, I’ve downloaded a copy of all the drivers on the website to preserve.
See this page.
These drivers will also work in XP, but are not digitally signed.
Pen drivers v1.4 seem to have an issue in XP which causes error dialogs after log-in. You can fix this by running msconfig from the Run dialog, then going to the Startup tab, and unchecking penmon.
BatteryAid seems to provide no useful settings on XP, so it’s up to you if you want to install it.
Likely for NT 3-4.