Those portals are now closed. Microsoft redirects all traffic to Microsoft 365. Therefore, you cannot legally download the ISO directly from Microsoft’s public website without a Volume License agreement.
Since Microsoft no longer hosts the ISO, you can use these methods: End of support for Office 2010 - Microsoft Support microsoft office 2010 professional download iso
While direct links are gone, you can still acquire the ISO if you have a valid product key through these methods: End of support for Office 2010 - Microsoft Support Those portals are now closed
While the software will still function if installed, Microsoft no longer provides security patches, bug fixes, or technical support, leaving systems running it vulnerable to modern security risks. Official Status and Support End of Life Since Microsoft no longer hosts the ISO, you
Rather than chasing a risky ISO download, users who need the classic Office 2010 interface or who have legacy documents should consider these alternatives:
The software is vulnerable to modern security threats.