NOTE: This method is applicable to Windows 10, 8.1 and 7 versions. Make bootable Windows ISO from installation files In short, if have Windows installation files and want to create an ISO image file out of it, you can do so in a few minutes. Preparing a bootable Windows ISO from installation files/folders is relatively easy and doesn’t take much time either. After gaining GBs of disk space, I realized that the previously downloaded Windows 7 SP1 ISO, which was present in the Downloads folder, has also been deleted along with other files.Įven though I could easily download Windows 7 SP1 ISO pack again in a couple of minutes, I decided to create an ISO file from the bootable Windows 7 USB drive that I had prepared to install Windows 7.

Two days back, I decided to free up some disk space on my Windows 8.1 drive and manually deleted all contents in the Downloads folder and also uninstalled tens of programs that I had installed over the last three months.

The installation was uneventful and Windows 7 has been running as it should. That is, you can use this method to create bootable Windows 10 ISO from files and folders.Ī couple of weeks ago, I downloaded Windows 7 SP1 Ultimate 64-bit ISO on my Windows 8.1 PC from Microsoft (using my MSDN subscription) and installed Windows 7 in dual-boot with Windows 8.1 using my USB flash drive as bootable media. Update: This method works perfectly with the newly released Windows 10 as well. RECOMMENDED: Download PC Repair tool to quickly find and fix Windows errors automatically

How to make a iso image of windows 10