How can I create a bootable customized Windows 11 ISO?

[Format _C:]

I used Rufus to make a customized installer (on an older slow USB 2.0 UFD) for Windows 11 but I want to make multiple customized bootable versions (For different use cases) that I can put onto my way faster external NVMe Ventoy drive.
Is there an easy way to do what I want? Can I just create a bootable ISO image from a flash drive if so how?

Thanks

 

[pendragon1]

you have what you need, i think. use rufus to save your custom usbs back to iso and then load them via ventoy.

 

[kram182]

NTLite probably based on what it sounds like you want to do - forums there have a lot of guides too

https://www.ntlite.com/

 

[pendragon1]

NTLite probably based on what it sounds like you want to do - forums there have a lot of guides too

https://www.ntlite.com/

 

[Format _C:]

rufus to save your custom usbs back to iso

OK I tried that and it does not boot in the normal mode only "WIMBOOT" mode which I don't know if that will still honor my customizations or not?

 

[dbwillis]

Probably can do all on one, but with 16gb drives so cheap, might be easier to grab some and have one for each OS install?

 

[pendragon1]

OK I tried that and it does not boot in the normal mode only "WIMBOOT" mode which I don't know if that will still honor my customizations or not?

not sure. try it.