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How to CLEAN Install Windows 8 directly from Hard drive – NO DVD or USB needed!

For example, you have a netbook or desktop that you want to install Windows 8 onto, but can’t use DVD or USB for whatever reason (or don't want to, like me). This method will allow you to boot and install Windows directly from the hard drive. This guide involves plugging the hard drive into another working computer, preparing the hard drive, placing it back in the system, and installing Windows as usual.

This was tested with Windows 8 and Windows 8.1.  The guide for Windows 7 is exactly the same.

Step 1: Part 1: Preparing the HD with Windows 8 setup files.

- Connect the hard drive to another working computer.
- Format the hard drive to NTFS (Quick format works fine; multiple partitions also work).
- Copy the following from your Windows 8 disc or ISO:

   -Boot
   -Sources
   -Bootmgr
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<p>i do everything and when type 'active' it says &quot;the active command can only be used on fixed mbr disks&quot;. help please</p>
<p>you have gpt hard drive</p>
<p>Run the command prompt as administrator and type in the following (X is the disk that applies to you):</p><p>diskpart</p><p>list disk</p><p>select disk X</p><p>clean (WARNING: THIS REMOVES ALL PARTITIONS AND FILES)</p><p>convert mbr</p><p>Now repeat from step 1 at the top of the page and you should be all good!</p>
<p>don't forget to create a new partition, format it and add a drive letter for it, like &quot;x&quot;, it was hard, but without RichardC6 i could not commet this :)<br>( btw, the installation failed for me, but the previous installation of windows recovered magically... 3 different hard drives: old windows - new failed install - and this setup created in the tutorial. Im an IT guy, but i have no clue how did this happened.. if u figure out plz inform me :D )<br><br>ps.: it was win10 prew not 8<br></p>
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<p>Article on How to install windows in your PC or Laptops<br></p><p><a href="http://www.baatkar.com/2015/10/how-to-install-windows-10-in-laptop-or.html" rel="nofollow">http://www.baatkar.com/2015/10/how-to-install-windows-10-in-laptop-or.html</a></p><p>Thanksss</p>
<p>Article on How to Install Windows</p><p><a href="http://www.baatkar.com/2015/10/how-to-install-windows-10-in-laptop-or.html" rel="nofollow">http://www.baatkar.com/2015/10/how-to-install-windows-10-in-laptop-or.html</a></p><p>Thanks..</p>
<p>thank you very much.great work</p>
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<p>Man I LOVE you! I had been stuck with the &quot;We couldn't create a new partition or locate an existing one&quot; error when I was trying to install windows from a usb drive but this method overcame the problem and took less time than any other method of installing windows that I have used before. A neat trick worth remembering.</p>
Nope, blue recovery screen. I give up :(
My fault. Realised there's a space in between exe and / YIPPEE and fingers crossed for the next stage!!!
My fault. Realised there's a space in between exe and / YIPPEE and fingers crossed for the next stage!!!
I am SO close, when I do the last command though it tells me that either the directory name is invalid or that the system cannot find the path specified. The new HDD is F: and I have converted from GPT to MBR. I am also using CMD as admin so I really don't know what I'm doing wrong. Thank you so much for your tutorial, I haven't found another so clear and simple anywhere online!
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<p>help if i do the last command (X:\boot\bootsect.exe /nt60 X:) it says that i have no acces to my hdd. see image for more details</p>
<p>Have to run cmd as administrator</p>
Hi, your post was very useful for me, but i'm getting an error after doing all the process. It gives me a &quot;Missing bottmgr&quot; error when i put the HDD back to the original PC. It works just when the HDD is put as a secondary disk on the working PC. But it gives the same error on the working PC when I run it only with this &quot;installer&quot; HDD. I'm trying it with a win 7 x64 iso. Thanks in advance.
Finally it works. Had to do it only with the installer HDD on the working PC. Put the HDD and installed the Win7 from a USB. Then made a partition with the win7 installer so I could put the HDD back the failing PC and repair the installation with the installer on a partition.
<p>Lets say i do this to a HDD, where the windows files from the ISO will be at.<br>Can i install windows to a SSD as my boot drive?<br><br>Will the windows 8.1 install guide ask me at what drive i want to install it or will it just install on the HDD that has the ISO files?<br><br>At the time of writing this i have no pendrive that is big enough for windows 8.1 and i am quite sure i won't have a windows 8.1 disc nor dvd/cd reader on the target pc.</p>
The installer normally asks you to choose a partition. That partition list contains partitions from all your HDDs.
<p>sooo u mesn that &quot;copy&quot; these files means that they will be copied directly to the root of the external HDD? or what?</p>
Yes, as the HDD, or it's partition, is formatted at the first step, there aren't any directories on it.
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<p>Thanks for sharing. I just got a working windows 8 product key from<a href="http://www.vanskeys.com/" rel="nofollow"> www.vanskeys.com</a>. The key is genuine and works great. And it cost me a little money.</p>
<p>Hello!</p><p>I'm using Windows Xp 32bits and when i enter with D:\boot\bootsect.exe /nt60 D: the output is: &quot;D:\boot\bootsect.exe is not a valid Win32 aplication&quot;</p><p>I'm trying to install this version of Windows 8.1:</p><p><a href="http://katproxy.com/windows-8-1-pro-vl-x86-multi6-pre-activated-may-2014-t9166732.html" rel="nofollow">http://katproxy.com/windows-8-1-pro-vl-x86-multi6-...</a></p><p>How can i fix this problem?</p><p>Thanks!</p>
<p>I have the same system and the same error.</p>
<p>I tried the same thing and got the same error message with a Windows Xp 64bit version.</p>
<p>Windows 7 and windows 8 on hdd external?In the same time.</p>
<p>Thanks for guide. help me alot! </p>
<p>thanks, you dont know how long it took me to find the solution to my very special problem but your instruction worked just fine. thanks</p>
<p>Perfect!!</p>

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More by StevenTyler: Install Windows 8 directly from Hard drive – NO DVD or USB needed! Install Windows Vista directly from Hard drive – NO DVD or USB needed! Install Windows 7 without USB or DVD without upgrading!
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