Duet Display debuted last December as an app that could turn your iPad into an external monitor for your Mac. Today, it has been updated to support Windows 7 and 8 PCs, along with some improved performance.

What’s New in Version 1.1.0
WINDOWS 7 AND 8 SUPPORT
Better performance
New Screenshots

We’ve tried Duet Display and it works pretty well, without lag as it’s connected via the Lightning port to your computer’s USB. To celebrate the Windows update, Duet Display is on sale today for 40% off.

Click here to download Duet Display in the App Store, it’s on sale for 40% off at $9.99 USD (or $11.99 CAD).