And I'll admit I was tempted to try and remove some additional stuff using RT Seven Lite but decided nope, that would be ironically contradictory considering I'm the guy that started the whole Leave it alone thing a few years back. This isn't meaning that I installed RTM then installed SP1 on top of it, this is a clean install of my freshly created Windows 7 Professional Service Pack 1 x86 integrated DVD. I've seen other people make note of it as well on other forums discussing SP1. Now, contrast that with the RTM + SP1 integrated install I did: same system, same situation, only the integrated OS being the difference, that 10.2GB installation shrank to 8.3GB - that's a big chunk of space and a considerable drop that I caught. I've done it so many times for testing purposes that I know almost to the bytes how much space the OS takes. It also doesn't count System Restore and restore points because I disable that and delete them as well. My point (just to clarify) was that if I do a clean install of Windows 7 Pro x86 (using the RTM version) on this ThinkPad T60 I have, it'll be 10.2GB after the installation is done, before I install anything and before I hit Windows Update - that's the OS itself, not counting the page file or the hibernation file (which I disable). I think staknhalo means that the reason I noted the difference in size was related to the WinSxS folder where Windows 7 (and Vista) keeps multiple copies of updates, drivers, etc.

Hit Make ISO towards the bottom and you are done. Once you have options configured to your desire. Now you can select how to create the ISO. Once completed select Task tab in upper left corner and check off ISO Bootable then switch to ISO Bootable tab.Ħ. Hit Start and wait a few mins until it says Proceed then click on Proceedĥ. Service Pack Slipstream window will open just browse to the location of the service pack.Ĥ. ** if you have an AIO version you will see this instead and you must choose.ģ. Once the process is completed, you will then be prompted at this screen make sure you check off Slipstream service pack Next you will see the extracting Image screen up this may take awhile.Ģ. Click Browse button to browse to the Windows 7 installation ISO file or setup folder. Ok so with everything covered on the list you are now ready to begin.ġ. alittle bit of time 45mins roughly ( estimated its based on your hardware speed ) (Make sure you download Beta version 2.6)ĭ. RT 7 lite (App that will integrate SP+ISO) I then decided to Slipstream the service pack into my original ISO and these are the steps I followed.Ĭ. Happy to say the install was quick and I had no BSOD's or anything weird happen. I decided to grab a copy of the service pack and give it a run on an old unpatched build of windows 7. As some of you may know Service Pack 1 for Windows 7 has been leaked before offical release.

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