How to use an iPad as a second monitor

As a planner, we usually need a second monitor to be more productive. If you have an iPad, you can easily make it a second monitor.

Here are the steps:

1. On our iPad, go to App Store and search for “Duet Display”. Buy this app (around 20 USD) and install it on our iPad.
   
2. On our PC, go to https://www.duetdisplay.com/
   Click on “Download PC” and Install this app on our PC.
   
3. Start Duet Display app on iPad and on your PC.
   Now connect your iPad to your computer using the USB to 30 pin or lightning cable
   
4. Now our iPad become a secondary monitor