In Windows 10 KB4586853 which is basically an optional version, there won’t be any automatic download and installation. Thus, if users do not want to use this version, they can simply skip it.  Microsoft has rolled out a number of fixes and improvements for some of the common issues which is available in the preview of 20H2. While this update is optional, it can be used to help fix the issues. 

Major Fixes and Improvements in Common Issues to Expect in This Patch

This Windows  10 KB4586853 cumulative update has come with 45 fixes or improvements that can be used for common issues. Here are the major improvements and fixes this update is going to help you with: Addresses random changes in the input focus of edit controls when using the Japanese IME or the Chinese Traditional IME Read Also: Google Starts Task Mate Testing in India

How to Install Latest Windows 10 20H2 Update

In order to install the Windows 10 optional patch update, all you need to is follow these simple steps:  

Hop to the Settings on your machine.Open the Update & Security section.Hit the Windows Updates option.Now, you have to choose the patch you would like to apply.Finally, hit the Download and install button.