Windows 8
Used by 11 peopleen.wikipedia.org ↗

“You see, the refurbished Dell XPS 15 I bought at the time came with Windows 8 (!) on it.”
Justine Haupt Interview, Science associate · via Uses This 
“For my home set up, I'm a PC user, running Windows 8.”
Alexandria Neonakis Interview, UI designer, illustrator (Naughty Dog) · via Uses This 
“It's running Windows 8 though, which I'm not so keen on.”
Dave Lloyd Interview, Game developer (Crawl) · via Uses This