Is there an official source for Windows ISO (XP+) checksums, online?
Wanting to download some older Windows versions, for support purposes, but they don't appear to be available on Microsoft's website, so I am having to find 3rd party copies.
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Details link to see the SHA1 hash for the product
Windows XP Service Pack 3 (x86) - CD (English)
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Service Pack 2 and Service Pack 3 are available from Microsoft here: http://catalog.update.microsoft.com/v7/ You must use Internet Explorer 6 or later. Search for "XP Service Pack" (without quotes)
Direct link to above search:
And the Win XP service pack 3 sha1 there is c81472f7eeea2eca421e116cd4c03e2300ebfde4 - also tested with the file.
There is third-party service to acquire MS Windows ISO checksums: