Bootable Windows 7 ISO Maker: Actually, the original Windows 7 ISO file is bootable. Sometimes, it’s hard for us to avoid some problems.
For instance, download the non-bootable Windows 7 ISO file. Many users ask us the way to solve this problem. Here we will let you know how to make windows 7 bootable iso with WinISO. Firstly, Free Download WinISO. Install WinISO and open Windows 7 ISO file.
Once downloaded, launch the installation file (.exe), there is nothing weird about installation process, just straight forward and then run WinISO.
Open the Windows 7 iso file you’ve downloaded.
WinISO can detect the image file is bootable iso or non-bootable automatically. Now check your iso file, if it shows “non-bootable”, which mean this Windows 7 iso doesn't have boot information.
But WinISO can help you make it be a Windows 7 bootable iso.
However, you cannot add any boot information into Windows 7 iso. According to the content, different disc has its specific boot information.
So you need find the right Windows 7 disc boot information. The boot information is .bif image file which is very small. Here, we provide you Windows 7 Ultimate Version iso boot information (32bit & 64bit). Here you can free download Windows 7 boot information:Windows 7 boot image 32 bitWindows 7 boot image 64 bit.
Step 2: Set Windows 7 boot information. After you save the windows 7 boot image file, now click the “Bootable” on the toolbar, choose the first option “Set boot image”, a window will pop-up, and then choose the boot information you’ve got and click “Open”.
At this moment, you will find the “bootable” on the view frame. The last step is saving the new iso file you made.