(less secure, but sometimes used for quick checks): 49bbf6de6388e9ffa4bcd7533a73a0c4
While third-party archives like the Internet Archive may host copies, the most secure sources for these files are official Microsoft portals: Windows 10 Enterprise | Microsoft Evaluation Center (less secure, but sometimes used for quick checks):
Provide SHA-1 + Microsoft’s original .pdb or catalog signature check via sigcheck.exe from Sysinternals. The hash alone is necessary but not sufficient; an authentic ISO will also have a valid digital signature from Microsoft Corporation. (less secure, but sometimes used for quick checks):