Same here on XP Home.
I guess the Visual Basic code that detects the OS hasn't been updated to cover XP. I had the source code to a program that determines the OS the PC is running and it used to detect XP as Windows 2000.
Nothing to worry about.
Moto G6 Play Review: First Look
iPad 9.7in (2018) review
Test : les écouteurs Bluetooth Honor xSport AM61