For non-Chinese residents: There is no legal way to obtain this ISO. You would need to use Windows 10 Enterprise (regular) and manually apply Group Policies to disable telemetry, or switch to Windows 10 Enterprise LTSC, which offers a similar "no bloatware" experience without the legal ambiguity.
However, for 99% of users, the risks of acquiring a corrupted ISO and the legal gray area outweigh the benefits. You will achieve a similar result with combined with a firewall block rule for *.telemetry.microsoft.com . windows 10 enterprise g iso
Many users searching for this ISO turn to third-party archive sites (such as the Internet Archive's "Windows ISO Collection" or tech forums). While these files often contain legitimate untouched copies of the ISOs, For non-Chinese residents: There is no legal way
Long-Term Servicing Channel (LTSC) is available globally via Volume Licensing. Like Enterprise G, it has no Microsoft Store, no Cortana, and no Edge (in LTSC 2019). It receives security updates for 10 years. The only difference is standard telemetry (which you can block via firewall). You will achieve a similar result with combined