Your online solution to meeting ICAO English standards
Generally speaking,
if your computer is relatively new then you should have no problems
using
Climb
Level 4.
Operating systems
Windows 98 or above
Mac OS X
Web browsers
Internet Explorer 6 or higher
Opera 8 or higher
Firefox 3 or higher
Safari 3 or higher
We strongly recommend that
you use the latest versions of the browsers above. Your browser must have
Javascript activated and pop-up blockers disabled.
Plug-ins
Adobe Flash Player 8 or
higher (free download
here)
We strongly recommend that you use
the latest version of Adobe Flash Player.