Go to Settings > Update & Security > Windows Update and click "Check for updates". This will automatically fetch many necessary drivers for the chipset and basic display functions.
If you run into a "not compatible with this OS" error when running an installer, right-click the Properties > Compatibility , and check "Run this program in compatibility mode for Windows 7." Are you having trouble with a specific feature like the webcam or the Blu-ray drive not working? Windows 10 Upgrade Instructions for Sony VAIO PCs sony vaio pcg81114l drivers windows 10 install