One TalkSM - Install Desktop App - Macintosh®

Note Notes:

  • Minimum system requirements for One Talk desktop app for Mac:
    • Mac OS X 10.11.x (El Capitan) (64-bit) and later
    • 1.5 GHz or faster processor (dual-core processor required for video calling)
    • 2 GB or more of memory (4 GB recommended for video calling)
    • 500 MB free hard drive space
    • Requirements for High Definition (HD) video calling:
      • Quad-core x86 or equivalent processor
      • 4 GB or more of memory
      • HD camera and display
  • For more details, refer to the user guide.


  1. Download the One Talk installer.
  2. Double-click the installer file to open it.
  3. Click and drag the One Talk icon to your Applications folder.
    Installer screen
  4. Go to your Applications folder then select One Talk.
    Application list
  5. Click Open.
    Developer identity confirmation
  6. The One Talk application opens.
    One Talk launch screen


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