Was running it fine on Linux IIRC (maybe look it up if you're actually interested?), but again, long time ago so things may have changed.

EDIT: Things seem to have deteriorated quite a bit and no major improvement in sight. Maybe not a surprise.

https://www.monperrus.net/martin/bankid-linux

https://www.sweclockers.com/forum/trad/1592956-bankid-pa-lin...