Users often search for drivers when they encounter one of these three issues:
Do this instead of searching for a driver:
On Windows:
On macOS:
On the projector itself:
While the direct X113 page is sparse, you can use the generic Acer Projector USB Driver that supports multiple DLP models.
If you want to control your computer's mouse cursor using the Acer X113’s remote control (plugged in via USB), you need the Acer USB HID Driver.
Warning: Acer removed the standalone driver package for the X113 from their newer support portals due to its age (circa 2009-2012). However, the driver is built into older Windows versions (Windows 7/8) and can be extracted.