How to make a screenshot?
On windows:
1. press the "print screen SysRq" button
2. Go to paint
3. Press ctrl v
4. Press save, save it as whatever you want
5. Go to a photo uploading site. Choose the file, upload it.
6. right click on picture, press "copy img url" then paste here.
For mac:
1. Press "command" "shift" and 3 to copy the whole screen, press "command" "shift" and 4 to drag and copy part of the screen.
2. Go to your desktop, the screenshot should be on there somewhere.
3. Do steps 4-6 above^