How to Use Your Tablet as an Additional Monitor
Follow the steps below to turn your Android tablet into a second monitor.
The method uses a third-party application called Spacedesk that is compatible with all modern Android devices. You will need a Windows computer that runs Windows 8.1, Windows 10, or Windows 11, and a Wi-Fi connection accessible to both your Windows computer and Android tablet.
Open a web browser and visit the Spacedesk website. Click Download, then download the version of Spacedesk driver software designed for the version of Windows you use. You will also need to choose between a 64-bit or 32-bit installer. Most modern Windows computers require a 64-bit installer. If you aren’t sure which to choose, here’s how to find out if you have 64-bit or 32-bit Windows. Launch the Spacedesk driver installer once the download has finished. Follow the Spacedesk installer’s on-screen instructions to finish installation. Open the Google Play store on your Android device. Search for Spacedesk. Select it when it appears in Google Play’s search results. Tap Install on the Spacedesk app page, then wait for the app to download. Verify that your Windows computer and Android tablet are connected to the same Wi-Fi network. How to Connect Your Android Device to Wi-Fi Open the Android app launcher and tap Spacedesk in the list of apps. The Spacedesk app will show a list of computers on your local network. Tap the computer you want to use with your Android tablet. Wait for your Android tablet will connect to your Windows computer as a display. This may take a several seconds. The screen on both your Android tablet and Windows computer may flash or go blank momentarily.
Your Windows desktop should now appear on your Android tablet. You can use it just as your would a secondary monitor. Screendesk supports touch input on the Android tablet, as well. You can further customize the experience in Display Settings in Windows.
You will also need to choose between a 64-bit or 32-bit installer. Most modern Windows computers require a 64-bit installer.