Because the official link is gone, the "best" community-trusted source is ProjectorCentral or DriverDB. Download the file named Acer_X113_Driver_Win7_64bit.zip (or similar). The file should contain a .inf and .cat file, not an .exe installer.
This report evaluates the driver requirements for the Acer X113 projector series (including variations like X113, X113H, and X113P). The findings indicate that this device is "plug-and-play" compliant, meaning it does not require a traditional driver download to function. However, for optimal performance—specifically regarding resolution alignment and remote management—installing the specific Acer Projector Driver or Acer eDisplay Management software is considered the "best" practice. acer x113 projector drivers best
The most common issue with the X113 is sending a signal resolution that the projector cannot handle. Because the official link is gone, the "best"