These are the top solutions for Computer Operating Systems:
A screenshot is simply a picture of your screen. The website take-a-screenshot.org has instructions for taking screenshots on several operating systems and devices. You can send screenshots by email or, on a smart phone (such as an iPhone or Android) as a Message (SMS).
The operating system is the software framework your computer uses to function (e.g., Windows 7). Visit whatsmyos.com for your operating system and version.