You can read more about the individual fixes and improvements on Microsoft's Windows 10 Update History: Version 1703 page.
We recommended that you have Service Pack 2 installed before installing SP3.
Both this document and the installation screens will guide you through the installation process.
Back to Top To install SP3, your computer must meet the hardware and operating system requirements listed below.
The updates range from increased security to internet improvements, with other supplementary features included, as well.
The biggest updates included in the software pack are added native support for WPA2 for Wi Fi networks and NAP support.