Go to your PC manufacturer’s website (Dell, HP, Lenovo, etc.) and download the last Windows 8.1 drivers. Many newer devices lack 8.1 drivers entirely.
A: ~3.2 GB for x86 (32-bit), ~4.4 GB for x64 (64-bit). Build 9600 with Update consolidated is slightly larger. windows 8.1 pro build 9600 download
Unpatched network vulnerabilities are a primary risk. Disable file and printer sharing if not needed. Go to your PC manufacturer’s website (Dell, HP,
