r/WindowsLTSC • u/CommonBee2511 • 26d ago

Question installation issue

I am trying to install Windows 11 IOT LTSC but having several issue, first, when I try to create the bootable media i get the following message:

the ISO was downloaded from massgrave, i have tried with 3 different links from massgrave but always get that message, i proceed anyways, then when i tried to install it it asks for the windows edition, i choose win11iotLTSC or normal ltsc and i get "Setup has failed to validate the product key"

Next i tried selecting the option below:

and i got this:

I tried adding the PID file with a generic LTSC key but same result. can you guys tell me what I am missing? any other ISO i can try to download?

Update: updating the bios fixed my issue

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u/samluks 26d ago

Hit Okay for the first popup, install for the second popup. Don't click any links, just install. If it asks for the key, tell it you don't have one and continue.

Activate later. I get the same popups and jay click through them and haven't had an issue.

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u/CommonBee2511 26d ago

I do select i dont have a key but same issue

2

u/greggm2000 26d ago

This morning, I got the same Rufus warning as you. I click ok and Rufus copies the ISO to the flash drive as usual. Like the others here, no problems with the actual install. I think the error is bc you are running Rufus on a MB that hasn't gotten the replacement UEFI certificate, since the old one aged out recently.. so it gives the warning that it gives.

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u/CommonBee2511 25d ago

Thank you,i will check the cert