Microsoft has made the Windows 10 20H1 (Version 2003) Build 18999 available officially for insiders in Fast ring. You can read Windows 10 Build 18999 changelog and other details by clicking here.
Now here we are with 3rd party ISO images of 20H1 (Version 2003) Build 18999. You can download ISO files for all other Windows 10 builds (Threshold / Redstone) by clicking here. For downloading ISO images for any Windows version (7, 8.1, 10), click here.
You can read all the changes and new features that Windows 10 Version 20H1 brings with itself by clicking here in our massive categorized changelog.
Click here to read our basic and advanced Windows 10 how-to, tips, and tutorials.
Windows 10 Build 18999 ISO:
You can download the ISO images by clicking on the below link.