I have my Windows 7 x64 ISO on my pendrive, but WinToFlash app forgot to install the MBR (again).
The only PC I have, uses x86 Win7 , so it won't install the bootrec.exe, since that is a 64bit binary.
I need the /boot/ folder from the Win7 ISO/disc. (32-bit)
Where can I download only that? Can anyone give me a link?
BootRec.exe is not officially available for download. However, you can extract it from any legitimate Windows 7 ISO.
You'll need something capable of reading a WIM file - 7zip should suffice for this. From the root of the ISO, open .\sources\boot.wim. From there, BootRec.exe can be found in .\1\Windows\System32\.
you can find it in the install.wim\Windows\System32\Recovery\Winre.wim\Windows\System32\bootrec.exe
If you have a working computer that has a similar image, such as in an enterprise environment, you can do the following: WindowsKey + R and then type recdisc.exe and press Enter. This will give you the dialog used to create a repair disc which when finished contains a WinRE-image that has BootRec.exe on it.
Microsoft doesn't offer individual files from their operating systems available for download. However, you can legally and safely download the entire Windows 7 64-bit .iso from http://msft-dnl.digitalrivercontent.net/msvista/pub/X15-65805/X15-65805.iso
Sources: This SuperUser answer, which provides a full list of ISOs available for download, as well as that answer's original source.
Or you could visit a friend and make a copy of the file from their computer...
You can also install grub on the drive using a linux distro which will automatically scan and add all available operating systems on the drive to it's loader. Note removing the usb drive woun't affect booting.
More info 1 Recovering GRUB after installing Windows More info 2 Grub as bootloader
You can open up boot.wim using the free 7-Zip utility at http://www.7-zip.org/download.html
Hiren's Boot CD contains several boot environments that include that tool, among others (Try Mini Windows XP). You can download it here:
Download: http://www.hirensbootcd.org/download/
If you can still boot into Windows, then this should work on Windows 10:
When the computer restarts, choose 'Troubleshoot', 'Advanced options', and select 'Command Prompt'.
When the computer restarts, you should get a recovery prompt where 'bootrec.exe' is available. You may have to login with your windows account first.
You can also extract BootRec.exe from the Windows 10 ISO file. My Win 10 is in 7z archive, so I used the 7-Zip program to browse the Wim in the ISO.
If you have just a plain ISO, which is not compressed in any other format you can still browse the ISO with 7-Zip.
The file location is as follows:
\Microsoft_Windows_10_x64.iso.7z\Microsoft_Windows_10_x64.iso\sources\boot.wim\2\Windows\System32\BootRec.exe
I right clicked on the file and extracted to desktop, so I can copy to my System32 folder.
Or simply download the entire .Iso installer file of the windows OS you are using and look for it in the folders or simply do a search in that directory.