Ex-Apple Engineers turn your iPad into an extra display!

Duet Display

Duet Display 4.0.381

  -  171 MB  -  Trial
  • Latest Version

    Duet Display 4.0.397

  • Operating System

    Windows 7 / Windows 7 64 / Windows 8 / Windows 8 64 / Windows 10 / Windows 10 64 / Windows 11

  • User Rating

    Click to vote
  • Author / Product

    Duet Inc. / External Link

  • Filename

    DuetDisplay-4-0-381.exe

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of Duet Display 4.0.381.


For those interested in downloading the most recent release of Duet Display or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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  • Duet Display 4.0.381 Screenshots

    The images below have been resized. Click on them to view the screenshots in full size.

    Duet Display 4.0.381 Screenshot 1
  • Duet Display 4.0.381 Screenshot 2

What's new in this version:

New Features & Improvements:
- Added a new local network discovery feature to simplify wireless device connections
- Upgraded to Keyboard and Mouse Sharing for enhanced control and input performance
- Introduced a new expert setting to manually enable the Intel Video Processing Library (VPL) encoder
- Refactored the core screen casting implementation for improved stability

Fixed:
- Fixed an issue where the Apple Mobile Device Service (AMDS) failed to start properly on certain systems
- Resolved a bug causing touch input to become unresponsive during PC-to-iOS connections
- Fixed an issue where touch gestures would stop working after rotating an attached iPad
- Resolved a regression where the stylus hover cursor would blink continuously
- Corrected background logic so Windows-Android USB connections no longer attempt to interrogate connected Apple devices

Crash Fixes:
- Resolved a critical bug causing the PC installer to fail or crash during setup
- Fixed an application crash triggered by a QTimer::start access violation
- Resolved a fatal crash occurring within the disableMouseCapture process

Other Changes:
- Updated analytical tracking parameters recorded upon ending a connection session