Select Windows 10 (64-bit) from the operating system dropdown menu.

Right-click the downloaded setup file and select . Click on the Compatibility tab.

A: All Toshiba laptops have an Fn key, usually bottom-left next to Ctrl. If missing, that’s a non-standard keyboard.

Alternatively, restart your laptop, tap F2 repeatedly to enter the , look for a menu labeled Keyboard/Mouse or System Configuration , and change the Functional Key Mode from Special Functions to Standard F1-F12 .

Write a script that sends brightness commands via Windows API when Fn + F6 is pressed. Example:

Sometimes the background service fails to start automatically with Windows 10. Press Windows Key + R to open the Run dialog box. Type services.msc and press .

Yes, the utility is completely free. It is proprietary software developed by TOSHIBA Corporation for its laptops, and the official downloads are provided at no cost.

Change the setting from "Standard F1-F12 Mode" to (or vice versa, depending on your preference). Save changes and exit. Install in Compatibility Mode

Before installing, create a system restore point. Let’s proceed:

: If you have an outdated Windows 7 or 8 version of the utility installed, uninstall it via Control Panel > Programs and Features and restart your PC. Step-by-Step: How to Download and Install for Windows 10

Open (right-click the Start button and select Device Manager).

This is a frequent occurrence, as Windows Updates can sometimes override or conflict with manufacturer-specific drivers.

: Smooth operation of secondary actions (brightness, volume, sleep mode) via the Fn key.