How To take a Screen Shot Without any Programs.First Step - Press Ctrl/Alt And Print Screen Button at The Same Time.
Second Step - Open Paint. (Start > All Programs > Accessories > Paint)
Third Step - Press Ctrl and V at The Same Time. (And you edit it a bit if you want)
Fourth Step - Click on File... Then Click "save as".
Fifth Step - Go on
Tinypic.com.
Sixth Step - Click on Browse.... Choose the File.... After that Click on Upload.
Seventh And Final Step - You Will See a URL Link, Copy It and Then Post it on Forums or Wherever you want it to go....