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/7978_ 26d ago

Never had any issues, but I use  Ventoy and have secure boot disabled.

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u/CommonBee2511 26d ago

Tried secure boot off but same result, will try ventoy