I have an old XP laptop in my office, which I keep around because it still has a serial port. Every couple of months I have to use it and I'm always a bit unset

I have an old XP laptop in my office, which I keep around because it still has a serial port. Every couple of months I have to use it and I'm always a bit unsettled at first by how responsive everything is because modern software has made me so use to everything feeling like molasses.