Windows Vista Ready! Slang words Included. Audio pronunciation in 5 voices. Contains most of available words and is great solution same as for novice and experienced skill levels. Features: Fast browsing System tray launch Context menu extension Add new word definition and article Lookup history Registered version benefits: Free additional language packs Free new version release update Sign up to receive a range of FREE e-newsletters and alerts Access to the online issue support database Audio pronunciation module Free support Minimum System Requirements: Windows ME Recommended System Requirements: Windows Vista Windows XP Windows 2000 Windows NT