Let's install Windows 11 on incompatible hardware

garlin · May 2, 2025

Paul Batard (Rufus) explained this before, there's only 3 true (and working) Bypass keys for a clean install.
The rest are entirely bogus, or don't work in real life.

Added bypass for cpu model and storage space check by Devnol · Pull Request #1791 · pbatard/rufus

This allows older unsupported machines with less than 64GB of storage (Windows 11 takes around 15 stock) and a CPU before 6th gen intel/2nd gen Ryzen to be able to run Windows 11. I'm assuming ...

github.com

Michael Niehaus:

Bypassing Windows 11 hardware requirements, revisited

As I stated previously, bypassing the Windows 11 hardware requirements can be done, but that doesn’t mean it’s a good idea. And I stand by that. But based on a couple of Twitter threads…

oofhours.com

But everyone keeps repeating the same fake news without actual testing.

Wolfie138 · May 2, 2025

not having much luck here - had a look around and found Flyby11: looked easy enough, so i got it, downloaded the 24h2 englishinternational ISO. and fired it off. when i get to the "keep your apps ans settings" stuff, it's greyed out, which they say means i've got teh wrong ISO :-/ well it's not, cos i've doible-checked and English UK is in my Region/Language etc.
why is it the "simplest" methods never seem to be?!

hsehestedt · May 2, 2025

One more thing: I used to use all 5 entries. I should give credit to @garlin for pointing out the 2 entries that are not needed.

hsehestedt · May 2, 2025

Wolfie138 said:
not having much luck here - had a look around and found Flyby11: looked easy enough, so i got it, downloaded the 24h2 englishinternational ISO. and fired it off. when i get to the "keep your apps ans settings" stuff, it's greyed out, which they say means i've got teh wrong ISO :-/ well it's not, cos i've doible-checked and English UK is in my Region/Language etc.
why is it the "simplest" methods never seem to be?!

I admit to not having tried Flyby11 so I have no idea how reliable it is. Have you tried Rufus? I know that this is the solution used by many here on this forum.

garlin · May 2, 2025

hsehestedt said:
I admit to not having tried Flyby11 so I have no idea how reliable it is. Have you tried Rufus? I know that this is the solution used by many here on this forum.

Everything from builtbybel is excessive UI candy built on top of a tiny command that actually does the real work...

Reviewing the source code, it's simply "setup.exe /product server".

Code:

                var startInfo = new ProcessStartInfo
                {
                    FileName = "powershell.exe",
                    Arguments = $"-NoProfile -ExecutionPolicy Bypass -Command \"Start-Process '{setupPath}' -ArgumentList '/product server' -Verb runas\"",
                    Verb = "runas",
                    UseShellExecute = true,
                    CreateNoWindow = false
                };

gy405 · May 2, 2025

Dear friends, there is even an easier way to install Windows 11. First you need to use IoT Enterprise edition (I know, you must use some "magic" to change your current Pro-based edition to it). After that, you can use a monthly Win11 ISO (it can be Consumer or Business), and even if you are in Windows 10 (like I was), it will automatically let you update to Windows 11. I didn't use any registry tweak nor Rufus.

About installing Win11 from scratch (Boot Menu in UEFI), you must use UUP Dump and some scripts to create a Custom Win11 ISO with IoT Enterprise edition enabled. And the Setup will never check any requirements.

damien76 · May 3, 2025

I have used Rufus 4.7 and I got to upgrade to Win 11 Pro 24H2 Build 26100.3775. Though now I have DISM error. Currently asking for assistance HERE. It was fine and there was no errors with DISM and sfc /scannow at first though.

spapakons · May 3, 2025

Wolfie138 said:
not having much luck here - had a look around and found Flyby11: looked easy enough, so i got it, downloaded the 24h2 englishinternational ISO. and fired it off. when i get to the "keep your apps ans settings" stuff, it's greyed out, which they say means i've got teh wrong ISO :-/ well it's not, cos i've doible-checked and English UK is in my Region/Language etc.
why is it the "simplest" methods never seem to be?!

It is probably a slimmed ISO for cleaning installation only. It misses the files necessary for a proper upgrade, hence it is grayed. Download the full ISO from Microsoft to upgrade.

spapakons · May 3, 2025

Regarding the Registry hack, I an not sure these two do nothing, they were in the original post I read in 2021. Even if they do nothing, I would include them just in case. Better safe than sorry. I don't have time to experiment.

PS: Most likely they are not needed in 24H2 since you must meet the SSE4.2 requirement anyway. Also in an average computer storage space is hardly too limited.

Wolfie138 · May 3, 2025

spapakons said:
It is probably a slimmed ISO for cleaning installation only. It misses the files necessary for a proper upgrade, hence it is grayed. Download the full ISO from Microsoft to upgrade.

it was from the MS site.

hsehestedt · May 3, 2025

spapakons said:
Regarding the Registry hack, I an not sure these two do nothing, they were in the original post I read in 2021. Even if they do nothing, I would include them just in case. Better safe than sorry. I don't have time to experiment.

Let me answer that for you: I install Windows sometimes up to 20 times a day although 5 to 10 times is more typical as I perform testing. While many of these are on compatible systems, I probably do unsupported hardware at least 5 times a week and I NEVER NEVER NEVER use those two entries.

Bottom line is that ever since I learned that from Garlin, I have a 100% success rate using entries without the 2 in question.

EDIT: Submitted post before I was done. I just wanted to finish by saying that you are absolutely right. You can include those and that will cause no harm. I'm just saying that I can tell you with 100 per cent certainty that you will never, ever, ever need those entries.

spapakons · May 3, 2025

I have created a batch file that patches the Registry automatically. I rarely open Registry Editor directly, so I don't mind for the extra keys.

hsehestedt · May 3, 2025

spapakons said:
I have created a batch file that patches the Registry automatically. I rarely open Registry Editor directly, so I don't mind for the extra keys.

Makes sense.

I have to admit that I was dubious at first as well. I removed those extra entries from all of my unattended answer files but I first made sure to make a backup of my existing files just in case those didn't work. Eventually I realized that it was just going to work fine every single time so I deleted the backup files.

Let's install Windows 11 on incompatible hardware

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