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How To create Integrated windows 7 (32 bit and 64 bit) in one disk

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Short answer for : there are two different goals and each has a simple, reliable approach.

If you mean one installation medium that can install either 32-bit or 64-bit Windows 7, the practical choice is a multiboot USB (not a single-layer DVD in most cases). Tools made for this let you drop both ISOs onto one stick and pick which to run at boot. WinSetupFromUSB explicitly supports adding multiple Windows setup sources (both x86 and x64) to a single USB, and Ventoy is a modern alternative that boots ISO files directly. Back up any data on the USB before you start.
WinSetupFromUSB · Ventoy. (winsetupfromusb.com)

If you meant slipstreaming updates: slipstreaming (integrating updates or the Convenience Rollup into the installer) is done per-architecture — you must service the x86 install image separately from the x64 image using DISM (mount, Add-Package, unmount/commit) and then rebuild the ISO with oscdimg. Example workflow (run as admin, adjust paths and index numbers to match your images):

Dism /Mount-Wim /WimFile:C:\Win7\x64\sources\install.wim /index:1 /MountDir:C:\Mount
Dism /Image:C:\Mount /Add-Package /PackagePath:C:\Updates\KB3125574-x64.cab
Dism /Unmount-Wim /MountDir:C:\Mount /Commit

oscdimg -n -m -bC:\Win7\x64\boot\etfsboot.com C:\Win7\x64 C:\Win7_x64_updated.iso

HowToGeek and Microsoft docs show the same DISM/oscdimg approach. (howtogeek.com)

If you mean installing both 32-bit and 64-bit on the same physical disk (dual-boot): create separate partitions (or use two drives), install one Windows to one partition and the other to the other partition, and Windows Boot Manager will present a choice at startup. Microsoft’s guidance is to back up first and install the newer OS last when mixing different Windows releases; for two Windows 7 installs the order isn’t critical but a clean partition-per-OS install is required. Always keep driver availability in mind (64-bit needs 64-bit drivers). (learn.microsoft.com)

Troubleshooting notes: Windows 7 ISOs and older firmware can be fussy with UEFI/secure-boot — if a multiboot tool has trouble with a Win7 ISO try WinSetupFromUSB (it has Win7-specific handling). If creating a single DVD, remember single-layer DVDs are ~4.7 GB (many combined ISOs exceed that), so USB or DVD-DL is usually easier. (winsetupfromusb.com)

If more detail is wanted for one of those paths (exact WinSetupFromUSB steps, DISM command options, or partitioning examples), show which scenario you mean and the exact hardware (BIOS vs UEFI) and I can give a concise, step-by-step writeup.

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Member Avatar for JorgeM

Do you mean an installation disk or installing both versions on the same disk?

Member Avatar for oalee

Not sure what you meant exactly by integrating 32 & 64 bit in one disk. I'm assuming 2 things indicated below:

  1. You want to install 2 different versions of Windows 7 (32 & 64) on a single HDD.

- This should work by simply installing it on a different partition on the same HDD and treated as a multi-boot computer.
- I don't think it will accomplish anything simply because whatever a 32-bit computer can do will also be available on a 64-bit Operating System.

  1. You want to "Slipstream" a Windows 7 versions 32 & 64 into a single DVD.

- slipstreaming only works if you want to integrate updates, upgrades, patches or service packs into the installation files.
- Windows 7 32 & 64 being 2 separate entities and not really an update/upgrade of the other makes this not qualified for slipstreaming.

If both of my assumptions are incorrect, then please enlighten us with more details so we can get more help/opinion from other forum members/helpers. :)

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