This is a actual OS/OS layover that you can buy or get. It is a parody of windows and is named Windblows by:Microshaft. I don't think it even exists anymore but still it was funny at one point.
Synonyms for winblows
On this page, you will find 30 slang terms related to winblows. Some of the top words include: Windahs, BeOS, windows, windowze, microshit, and 25 more.