Hopefully this helps someone in the future! I had to look all over for these.
Hopefully this is allowed
WINDOWS LTSC SHA-256 CHECKSUMS Compiled from: https://my.visualstudio.com/downloads
WINDOWS 10 LTSC File name: en-us_windows_10_enterprise_ltsc_2021_x64_dvd_d289cf96.iso SHA256: C90A6DF8997BF49E56B9673982F3E80745058723A707AEF8F22998AE6479597D File name: en_windows_10_enterprise_ltsc_2019_x64_dvd_5795bb03.iso SHA256: B570DDFDC4672F4629A95316563DF923BD834AEC657DE5D4CA7C7EF9B58DF2B1 File name: en-us_windows_10_iot_enterprise_ltsc_2021_x64_dvd_257ad90f.iso SHA256: A0334F31EA7A3E6932B9AD7206608248F0BD40698BFB8FC65F14FC5E4976C160 File name: en_windows_10_iot_enterprise_ltsc_2019_x64_dvd_a1aa819f.iso SHA256: 0ACB0766F0591FE917E00BA8EB2FBDD32A36A2345492191E0376130A45974795 WINDOWS 11 LTSC File name: en-us_windows_11_enterprise_ltsc_2024_x64_dvd_965cfb00.iso SHA256: 157D8365A517C40AFEB3106FDD74D0836E1025DEBBC343F2080E1A8687607F51 File name: en-us_windows_11_iot_enterprise_ltsc_2024_x64_dvd_f6b14814.iso SHA256: 4F59662A96FC1DA48C1B415D6C369D08AF55DDD64E8F1C84E0166D9E50405D7A
you mean the serial key on their website? it’s an “install key” officially provided by microsoft, essentially a dummy key to fill as a placeholder (on unattended installs mostly)
you should use the MAS script and use its HWID or TSForge option, it should work.