Additionally, it provides .Net framework for better compatibility with other applications as well as works well in the networks. The Flash Player allows the users to play videos and other media on the computer. Different performance improvements and numerous fixes make Windows 8.1 a better and a stable release.
Features of Windows 8.1 Pro Update 3 March 2018

Some of the features of Windows 8.1 Pro Update 3 :
-Powerful operating system
-Various performance and other enhancements
-.Net framework and Adobe Flash player
-Better performance and increased security
-Multi-touch support for touch screens
-A new tiles-based user interface
-Windows Defender updates
-Numerous other powerful features

WHATS NEW
KB4598285 (Monthly Rollup)

Improvements and fixes

This security update includes improvements and fixes that were a part of update KB4592484 (released December 8, 2020) and addresses the following issues:

Addresses a security bypass vulnerability that exists in the way the Printer Remote Procedure Call (RPC) binding handles authentication for the remote Winspool interface. For more information, see KB4599464.
Addresses a security vulnerability issue with HTTPS-based intranet servers. After you install this update, HTTPS-based intranet servers cannot leverage a user proxy to detect updates by default. Scans that use these servers will fail if the clients do not have a configured system proxy.

HOMEPAGE