I haven’t been very successful in capturing screen shots efficiently on Windows running on my MacBookPro, however found a convenient way to get PrintScreen button going. It’s by using on screen keyboard.
The idea is to launch On-Screen Keyboard application in Windows and press PrintScreen button – not optimal (you can anyway trim the image later on) but better than nothing and installing some utility program from internet. I wanted to capture some tool-tips which won’t go very well with Snip – else I would have preferred it over anything else on Windows.
Anyway this is how it looks: