Slipstream Windows 7 SP1 Disc: The Complete Guide

Installing Windows 7 can take a long time. ┬áThat’s why us techies have to slipstream a Windows 7 SP1 disc to make the process easier. This process will take your non-service pack Windows 7 installation disc and allow you to burn a new disc with SP1 merged. No more running Windows Update for hours after a Windows 7 installation.

1. Download the Windows 7 Service Pack 1 standalone EXE file.

  • windows6.1-KB976932-X64.exe for 64-bit
  • windows6.1-KB976932-X86.exe for 32-bit

2. Download and install the Windows Automated Installation Kit. The file Microsoft provides is an ISO image file. You will need to burn a disc with this file, then run the WAIK installer from the disc. (This step only required if you are performing these steps on a non-Windows 7 system)

3. Download and install RT Seven Lite. Be sure to grab the version with slipstreaming support.

4. Run RT Seven Lite.

5. On the Home tab, Click Browse and select Choose OS path.

6. Place your Windows 7 installation disc into your DVD drive and select the drive. The software will prompt you to copy the files to a location on your hard drive. In this example, I used F:\Win7. RT Seven Lite copied my entire Windows 7 installation disc to F:\Win7\GRMCPRXFREO_EN_DVD.

File location

7. When prompted, select the version of Windows 7 you’ll be working with. Check the Slipstream Service Pack box, then click OK.

Select version of Win7

8. Click the Browse button and select the EXE file you downloaded in step 1. Click Start and the service pack files will be merged with the installation disc files. This may take a long time. For me it took over an hour.

Service pack integrating process

9. Once its finished integrating, click Proceed.

Service Pack 1 integrated successfully

10. Click the Tasks tab on the left. Check the ISO Bootable box.

Note: It may take some time for it to respond when you click Tasks, but be patient. In my case, I had to click Tasks a few times before it displayed anything.

RT Seven Lite Tasks

11. Click the ISO Bootable tab at the bottom-left. This will present a screen to burn a CD. Place a burnable DVD in your drive and set Mode to Direct Burn, select a Burn speed, then click Direct Burn.

Note: The Burn speed failed to display a value for me at first. I had to eject then re-insert the burnable disc. I then had to change the Mode setting to something else before flipping it back to Direct Burn.

Disc burning settings

That’s it! You’re Windows 7 disc should now burn with SP1 slipstreamed. You can now boot from the disc and install Windows 7 without having to install Service Pack 1 separately. Click Finish to exit the software. Wait patiently as it cleans up files and closes.

Just to be sure, I tested the disc by installing Windows 7 on a VMWare virtual PC. It worked fine.

VMWare shows SP1

Please feel free to let me know of any changes or additions I should make to this post in the comments sections.


  1. laughing gravy says

    this works very well, but I would like to know how you would go about including the most recent updates alongside the service pack. have you tried doing this? thanks

  2. Kdawg says

    Thought it was alright. Note the part about getting the correct RT Seven Lite bit version and get the slipstream version, other than that worked like a charm! Thanks!

  3. Meh says

    RL Lite is trash that’s why, if your going rip MS products and then gut them might as well go the full monty and rip their IT server copies which include tools to remaster the Windows.

  4. Carl says

    Everything seems to work fine but… 1. The resulting disc is NOT bootable and 2. when I try to install by running setup the installer reports that there is not enough disk space – althugh 57gb is open.

  5. b0r1s says

    @Tequila_BurpAutomated: Installation Kit is necesary to non-win7 users becouse they do not have imagex and DISM

  6. Mitch says

    I added that because RT Seven Lite’s website recommended that it be installed. I’ll have to look into it more.

  7. Tequila_Burp says

    Is it necesary to install Windows Automated Installation Kit? I just made a disc without installing it.

  8. StevePaul says

    Nothing to do with the post really, but a little trick to delete folders/files that are proving stubborn to remove …

    Rename the folder to windows.old (this is normally where windows moves your original installation if you do a reinstall)

    Run the inbuilt Disk Cleanup utility (must run as Administrator !!)and when it’s finished it will show ‘Previous Windows installations’

    This will already be marked for deletion …

    Click OK, then Accept …

    That’s it your done ;-)


    This is particularly useful when your having problems because of permissions in folder content, you don’t need to go through ‘taking ownership’ or ‘unlocking’to be able to delete files and/or folders ..

  9. Walter says

    I find I cannot erase the files left in my temp folder by RT Seven Lite (in the directory RT_Mount). Have you any ideas how I can do this?

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