Click the Print Screen button on your keyboard
Go into the Windows Start Menu
Go into "All Programs" to "Accessories" and select "MSPaint"
Click the "Edit" button on MSPaint and choose "Paste"
The screenshot is now pasted into your MSPaint screen
Click "File" and choose "Save As"
Select the folder you wish to store the screenshot in
Name your screenshot & select the "GIF" file format as required by Cases Ladder
Click the "Save" button
Voila! You have successfully saved a screenshot!