Here is the first hurdle. The Acer X113 was discontinued years ago. Acer’s official support portal has removed direct download links for older legacy models. If you go to Acer’s current website and search for "X113," you will likely get zero results.
But you are not out of luck.
The "best" drivers for the Acer X113 are archived in two places: acer x113 projector drivers best
Critical Warning: When searching for "acer x113 projector drivers best," avoid "driver scanner" software. Programs like Driver Booster, Driver Easy, or SlimDrivers often flag the X113 as a "missing critical driver" to scare you into paying for a subscription. In reality, they just install a generic Microsoft driver.
While a functional driver is built into the OS, Acer provides utilities that enhance the user experience. These are the recommended downloads if you require advanced control. Here is the first hurdle
Counter-intuitively, for 90% of users, the best driver for the Acer X113 is the Microsoft Generic Driver.
Here is why:
The Acer X113 "driver" you really need is for your graphics card, not the projector. Update your NVIDIA or AMD drivers to ensure the HDMI-to-VGA adapter (if you use one) works correctly.