The majority of the world still uses Microsoft Windows as their main operating system, it is highly compatible with lots of software and is very stable.
Windows 10 was released in mid 2015 and it is a much improved version of Windows 8, which itself built on top of the stable Windows 7. The operating system is very polished and stable, and will be a strong performer of the next few years.
The Professional version mainly adds corporate network access tools, and some disk encryption software.
More of a cosmetic update to Windows 10, version 11 was released in October 2021, and features a redesigned taskbar along with some extra productivity tools.
Like Windows 10, the Home version will meet most people's requirements, the Professional version adds corporate network access tools mainly.