> Windows XP sold for $200 in 2001. In 2025, that's $364

I assume you used the overall CPI rate rather than the software rate. but using the Software CPI its more like $58. and that seems like an easier sell (for the user, maybe not the developer).

http://data.bls.gov/dataViewer/view/timeseries/CUUR0000SEEE0...

Software CPI-U

2001 Oct 77.0

2025 Nov 22.182