"Safari for Windows - Apple no longer offers Safari updates for Windows. Safari 5.1.7 for Windows was the last version made for Windows, and it is now outdated." support.apple.com/en-us/HT204416

@orthocresol which version are you using?

(btw, there are a few too many pending "needs tags"/"delete please" requests above. I know you're busy, and will probably take care of them within a week, but just dropping this message)

@GaurangTandon Safari 11.1, OS X 10.13.4