Thus, now you can download the ISO images for RTM version Windows 10 April 2018 Update and perform an upgrade even if you’re not Windows Insider. The difference is really direct link vs Media Creation Tool. As you can tell, links from method 1 and 2 are the same. The following editions of Windows 10 April 2018 Update v.1803 Build 17134 are available for download from Microsoft server in ESD file format, which can be converted into bootable ISO file format. Windows 10 april 2018 update -> English -> 64bit (Total size of ISO is 4.36GB) Second method: Downloaded the 'MediaCreationTool1803.exe' from Microsoft and got the 64bit version.

These ESD files download links can be viewed from the products.xml for Media Creation Tool of Windows 10 Build 17134.1, which provides the information about files and download links for MCT to work (see trick to get Windows 10 v.1709 Fall Creators Update ISO). The publication of the various ESD files confirms that new Windows 10 Build 17134 (or more specifically 17134.1), which was earlier released to Windows Insiders, is the official RTM version of Windows 10 April Update v.1803. The ESD files are the official source for upcoming major Windows 10 feature update that is delivered via Windows Update (WU) or for creation of ISO images or upgrade via Media Creation Tool (MCT). Microsoft has published the official ESD images of Windows 10 April 2018 Update OS Version 1803 Build 17134, the new name for now demoted Windows 10 Spring Creators Update Build 17133.

Download windows 10 pro 64 bit 1803 iso