Prometric IBT Lockdown is a free browser application. In order to use it, you need to aquire few system requirements. Operating Systems: Windows XP, Windows Vista, or Windows 7, Memory: Minimum 256 MB RAM (OS requirements may be higher), Hard Disk Space (For installation of the lockdown browser): Minimum 4 MB of available hard disk space, Browser Requirements: Internet Explorer 7.0 or 8.0.
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