What is the relationship between Windows 10 and Microsoft in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

(The phone version of Windows 10 isn't due until later this year, but Microsoft has already demonstrated it running the same version of PowerPoint as the desktop version of Windows.)

Answer: developer