but I can not do pictures 
1: Press Print Screen (Prt Sc) on your keyboard
2: Open an image editor program, like Paint
3: Press Ctrl + V to paste the screenshot into the program
4: Save the image file by pressing Ctrl + S
5: You can then attach the image to your post on the forum here or upload it to an image site like
http://imgdiode.com/Does this work for you?
There are also some free screenshot programs, like Greenshot, if you prefer simpler methods for saving screenshots than manually pasting them into an image editor:
http://getgreenshot.org/