News How to Clean Install Windows 11, No Product Key Required

Jul 10, 2021
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This is so exciting - finally a way to create a W11 ISO.

In terms of booting from USB, the article says not to use a FAT32-formatted drive due to the 4GB file size limitation, or NTFS drives without having to switch off Secure Boot. And instead shows a workaround, using both file systems on one drive.

But what about exFAT drives, for example? Does using exFAT bypass both of those limitations at once? I'm still quite new to this, so am not sure how it works.
 

excalibur1814

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Sep 12, 2009
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Or, just enable Hyper-V on your machine and then install Windows 10 as a VM. then upgrade to Win 11 and test. Like I did. Very easy. No need to mess around with your machine.
 

mac_angel

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Mar 12, 2008
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I was just wondering, I don't know if this has been covered in any of the other articles, and most other articles were based on upgrading. But what's the install size of Windows 11, without upgrading?
Personally, I'm old school (other way of saying 'old as dirt'), and my favourite OS was Windows 2000 Server. It was basic, small, efficient, etc. I don't need all these pretty little windows and animations. I can install extra stuff if I want, but I'd prefer to just run something simple, basic, and run Steam, uPlay, Origin, etc.
 

slate0

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Or, just enable Hyper-V on your machine and then install Windows 10 as a VM. then upgrade to Win 11 and test. Like I did. Very easy. No need to mess around with your machine.
To do that don't you need to connect your account to windows insider (if it isn't already?) Can you update to 11 from 10 without activating windows 11 on your account, registering your key, activating windows 10?
 

slate0

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Jun 5, 2013
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I was just wondering, I don't know if this has been covered in any of the other articles, and most other articles were based on upgrading. But what's the install size of Windows 11, without upgrading?
Personally, I'm old school (other way of saying 'old as dirt'), and my favourite OS was Windows 2000 Server. It was basic, small, efficient, etc. I don't need all these pretty little windows and animations. I can install extra stuff if I want, but I'd prefer to just run something simple, basic, and run Steam, uPlay, Origin, etc.
I did a fresh install in a VM, ran windows update. Space used is 38.6 GB. If you don't like animations, you won't like this. There are probably ways to turn them off.
 
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coromonadalix

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You can install it without internet connection, just do alt+f4 ... on the account screen

And there is a hack for bypassing the tpm protection and secure boot, for what i've seen they do some hack in the boot.wim and they use some windows 10 files for the hardware detection.
 

sycoreaper

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Not worth a clean install at this point IMO unless you are having major issues. I'm going to wait for the final build to do so.
 
Jul 12, 2021
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I have downloaded this 3 times and each time I have had errors so the iso would not work. I was able to upgrade but can't make an iso for fresh install
 

dragondagoth

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I was just wondering, I don't know if this has been covered in any of the other articles, and most other articles were based on upgrading. But what's the install size of Windows 11, without upgrading?
Personally, I'm old school (other way of saying 'old as dirt'), and my favourite OS was Windows 2000 Server. It was basic, small, efficient, etc. I don't need all these pretty little windows and animations. I can install extra stuff if I want, but I'd prefer to just run something simple, basic, and run Steam, uPlay, Origin, etc.
You'll need 64 gigs of hard drive space.
 

astro-john

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Got it installed on a couple of virtual machines (VirtualBox and VMWare) but it still wants a product key. From what I see so far, no reason to upgrade from 10 to 11. Still have Win7 on one of my machines and it works just fine.
 

Colif

Win 10 Master
Moderator
I hope you all using spare machines, Win 11 dev builds are the newest version, doesn't make them the most stable. I didn't notice anything in article saying why not to install it on main PC. With LInus showing how to install it on almost anything now, I expect there is no point telling people not to install the new shiny.

An example of why you might not want to connect all your drives to it - https://forums.tomshardware.com/threads/pc-partitions-became-raw.3713085/
 

Evolution2001

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On a physical machine is not working. TPM and Secure Boot requirements aren't bypassed. Not yet.
Same here. Didn't work on an old Dell system with an i5. No TPM, No SecureBoot options in BIOS.

I have downloaded this 3 times and each time I have had errors so the iso would not work. I was able to upgrade but can't make an iso for fresh install
I had a similar issue the first time attempting it. The blue CMD prompt window where it starts compiling everything, I was getting errors. It would continue the script to the end, but I noticed that the final directory of files wasn't complete and the ISO wasn't as big as it should've been.
Interestingly, I ran the same thing on a different system and it completed all the compiling steps correctly. I don't know what was ultimately the difference. Maybe it was nothing except some general error on my first system/attempt.
 

Colif

Win 10 Master
Moderator
i got errors first 2 times I ran the uup file, it was only when I double clicked on the exe instead of right clicking it that it actually finished. So I have the ISO and was going to run in VM. But due to a blunder I am currently running win 11 on this PC so I don't need ISO.
 

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