how to take computer screen shots

How to capture computer screen fast, self-saved, without software
how to capture screen 2, 3 computers using built-in tools on all windows (xp, 7, 8, 10). the first way only applies to windows 10/8 / 8.1, no software needed. if you often have to take a screen shot of a laptop, you should read the 3rd way, i also use this method very often.
How to take photos, record screen videos on Chrome
to take a screenshot of the browser screen and video screen then post it to google drive, imgur, youtube, etc. users can install the explain and send screenshots utility on the web browser.