KB4601319 update is released for both Windows 10 v2004 & v20H2 users. Here are the direct links to download KB4601319 offline installer.
This patch Tuesday, Microsoft is pretty busy with releasing cumulative updates for various Windows 10 versions including v2004 and v20H2. The KB4601319 itself is pretty small in terms of what it does but comes with some important fixes and improvements. Mainly, the KB4601319 update fixes the black screen problems, bugs in Alt + Tab switcher, ESENT 642 errors, issues with feature update, problems with running ‘chkdsk /f’ command, etc. More importantly, the update also contains a couple of important security fixes like the privilege vulnerability in the win32k component and security fixes for various Windows components.
In general, Windows 10 should automatically download the KB4601319 update in time. If you want to, you can force Windows update from the Settings app. However, if the Windows update is having problems or to install KB4601319 in an offline Windows 10 system, use the links given below to download KB4601319 offline installer.
Once downloaded, just double-click on the installer. If your system is supported, Windows 10 will install the KB4601319 update. Do keep in mind that if it needs any additional dependencies, it might automatically download them.
Download KB4601319 offline installer
To make things easier for you, I found the direct download links for KB4601319 for both Windows 10 32-bit and 64-bit systems. Depending on your system type, download the update using the below links and install it like any other Windows software. After installing, restart the system and you are good to go.
For v20H2:
KB4601319 x86 (32-bit) offline installer (download size: 141.1 MB)
KB4601319 x64 (64-bit) offline installer (download size: 415.7 MB)
For v2004:
KB4601319 x86 (32-bit) offline installer (download size: 141.1 MB)
KB4601319 x64 (64-bit) offline installer (download size: 401.3 MB)
If you want KB4601319 download links for Windows Server, ARM64 based systems, or some other version then go to the Microsoft update catalog website to find the appropriate links. All you have to do is click on the Download button next to the appropriate version.
KB4601319 changelog
Addresses a possible elevation of privilege vulnerability in the win32k component.
Addresses an issue that might damage the file system of some devices and prevent them from starting up after running chkdsk /f.
Security updates to the Windows App Platform and Frameworks, Windows Apps, Windows Input and Composition, Windows Cloud Infrastructure, Windows Management, Windows Authentication, Windows Fundamentals, Windows Cryptography, Windows Virtualization, Windows Core Networking, and Windows Hybrid Cloud Networking.
That is it.