Some enthusiasts have repackaged official drivers. A reliable repository is: (look for VAIO Assist Button or SFEP driver )
– Go to Control Panel → Programs and Features. Remove any existing “VAIO Event Service,” “Sony Firmware Extension Parser,” or “VAIO Care.” sony vaio assist button driver download link
Before downloading and installing the driver, users should ensure that their Sony Vaio laptop model is compatible with the driver. The driver may be compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, and other operating systems, depending on the specific driver version. Some enthusiasts have repackaged official drivers
What are the VAIO and Assist buttons on the computer? - Sony The driver may be compatible with Windows 10, Windows 8
The Sony Vaio Assist button driver is a software component that enables communication between the Assist button and the operating system. The driver allows users to customize the button's functionality and assign various tasks to it, such as opening applications, launching websites, or performing system settings.
With the laptop off, press the Assist button instead of the Power button.