for Mac OS X 10.7.3 (Lion) or later.
If you see this message: “TiffanyScreens” is damaged and can’t be opened ... This is NOT so. Instead, you need to enable Apps downloaded from Anywhere in Mac OS System Preferences / Security / General.
for Windows 7
for Mac OS X 10.4 / 10.5 / 10.6
for Windows XP and Vista
for Desktop Linux