: When a PC's recovery partition is damaged and you need to reinstall a specific version of Windows.
is a "gold standard" for anyone who needs to perform a clean install of a specific Windows or Office version. It is arguably the most trustworthy way to get an ISO because you can verify the download source is Microsoft itself.
: Because the files are fetched directly from Microsoft, users can verify their authenticity using SHA-1 or SHA-256 hash values to ensure they haven't been tampered with.