Old problem: The fan was noisy. New fix: This tool uses machine learning to predict your workload. If you are just reading a PDF, it passively cools. If you plug in an external GPU, it pre-spins the fans. Run this monthly.

Previous tools kept the fan running at 3000 RPM even when the CPU was at 40°C. The "Hot" release introduces a new ThermalProfile.acpi driver that lowers the fan curve, making your VAIO silent during office work.

by pressing the physical ASSIST button (usually located above the keyboard) or finding it in the Start menu. Select Advanced Tools and then click on Premium Tools .

The service for was officially discontinued by Sony on September 30, 2020 . Users can no longer purchase new licenses or renew existing ones for these tools. Service Status and Transition

If you are trying to access system tools during startup, use these standard Sony hotkeys:

This utility identifies and reclaims "lost" RAM from background processes, ensuring more memory is available for demanding tasks.