Those who wish to have a keepsake for emergencies for either Windows 10 or 11, time is approaching 22H2 release and a good opportunity to snag the most recent 21H2 iso. Below is a list of provided resources from USA and the UK where the location/ language link will vary from country across the divides.
Historically the MCT offered the newest iso whereas using alternative methods to download, such as useragent strings or ‘other’ operating systems, get the initial RTM iso.
Current builds for indication purposes:
Win10 OS build 19044.1889 (post August patching)
Win11 OS build 22000.856 (post August patching)
OFFICIAL WEBPORTALS FROM MICROSOFT:
Using the MCT (Media Creation Tool)
USA:
https://www.microsoft.com/en-us/software-download/home
UK:
https://www.microsoft.com/en-gb/software-download/home
NOTEABLE 3RD PARTY ACCESS: (Initial RTM iso’s)
HEIDOC Windows and Office ISO Download Tool:
https://www.heidoc.net/joomla/
TECHBENCH Webportal:
https://tb.rg-adguard.net/public.php
RUFUS (in-utility download links)
https://rufus.ie/en/