Even though, this should not be a problem, many users may want to make a clean install of the operating system, instead of using the Windows Update process. Also, a lot of users are testing Windows 10 Technical Preview using virtual hard drives to create a dual-boot system, and, as it turns out, updating this configuration to a newer build isn’t supported. If you cannot wait for Microsoft to release the ISO files to test Windows 10 build 10041, there is the DIY option, which means that you can create your own bootable installation media. Simply follow the steps below:

How to create an ISO file using an ESD image

You can use NTLite as an alternative to convert an install.ESD into an ISO (download here).

After you have a custom Windows 10 ISO file, the rest is pretty easy. You can install the operating system on a virtual machine — see all the instructions here. You can dual-boot your current installation using a VHD and Windows 10.

How to use Rufus tool to create Windows 10 USB media

If you’re planning to use the ISO to create a USB bootable media, you can use a little tool Rufus to the job. Once the process completes, you can boot and install Windows 10 on computers running on UEFI BIOS. To create a bootable USB drive with any version of Windows 10 Technical Preview, you can use this previous guide. All content on this site is provided with no warranties, express or implied. Use any information at your own risk. Always backup of your device and files before making any changes. Privacy policy info.