Why should I upgrade from Windows 7 to 10?

Microsoft is pushing its free upgrade at Windows 7 users and Tom wonders what the benefits are. The answer includes opt-out information for refuseniksYou haven’t answered the most obvious question of all: why should I upgrade from Windows 7 to 10? What are the benefits? Please give a straight answer, which can include technical stuff. TomIn the long term, I don’t think the question is “Why?”, it’s “When?” Eight months after launch, Windows 10 is running