Microsoft pushes new insider builds to people who have signed for them in the form of ESD file, which is highly compressed, so the file size became lesser comparing to a typical Windows ISO file. So if you have downloaded a Windows Insider preview’s ESD file from the internet, and you want to install it on your computer because it saves the internet bandwidth, but you do need to extract that and convert into an ISO file in order to create bootable installation media from it.
Perhaps not all users want to install new insider builds using the typical way that’s why some folks created a workaround to convert official ESD files provided by Microsoft into standard ISO files so that you can store it on your computer and create an Installation media whenever you need.
Windows 10 Insider Preview ESD files to ISO
Today, In this tutorial I am going to demonstrate you how you can convert any ESD file into a fully functional ISO format so you can create installation media create installation media. Please assume that you are not signed up for insider preview program and proceed to the steps below.Even if you have participated in the program in Windows settings that will still work if you are going to do a clean installation of Windows insider build.
Step 1. Download required Files
- ESD file: Windows 10 Insider preview ESD Download links.
- Decrypter Tool: Download
- Rufus (To create bootable USB)
Tip: Extract and move the decrypter folder in the Local Disk C:/ root folder, as sometimes the script does not load if running from other hard drive or folder. For example, make a folder inside local disc c, name it ” Windows Insider” copy all the decrypter files to the folder, move the ESD file and Rufus tool along with them.
Step 2. Convert ESD to ISO
Open the decrypt.Cmd file, and choose an option for example Type 1 or 2 and hit enter to create an ISO file from an ESD file. Note that there should be a .esd file in the same folder from where you are running the script.
If you chose to convert ESD file to an ISO file, The process would start, in the first phase, it will create a boot.wim file.
The next phase will take longer as it will decrypt the install.wim file which will be around 7 GB in size. Also, you could have selected this second option which will create a compressed install.win file, but it’s not a problem unless you are converting a multi-variant ESD, then, of course, you need a higher capacity USB drive.
After a couple of minutes (depending on your processor speed) the process will complete then you can press any key to exit from the script.
The ISO file will be saved in the same directory from where you launch the script. I suppose you are going to create a bootable USB drive, so in that case, I will suggest you use RUFUS tool. Download the RUFUS tool and say it in the same folder just for simplifying the process.
Step 3. Create Bootable Installation Media
Now open the Rufus tool and drag the ISO file inside it, it will automatically just for your computer’s configuration and select options that matter. Now click on the start button and wait until the process finishes.
After that, you can either upgrade the existing installed Windows insider build on your computer or do a fresh installation of Windows Insider builds.
Below is a video Walkthrough demonstrating you how to convert ESD file into a fully functional ISO file.
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