However, Windows 10 will often install a generic driver that works for basic connectivity (802.11n at reduced speed).
Upgrading an older Sony Vaio PCG-71211W to Windows 10 (64-bit) is a classic "tech archaeology" project. While the hardware is generally capable, Sony’s official support for these legacy models has largely ended. Sony Middle East Sony Vaio Pcg-71211w Drivers For Windows 10 64 Bit
Intel WiFi Link 5100.