>>>In order to upgrade my IE from IE 9 to 10 I get message that I need to upgrade Windows 7 to at least Pack 1. I do find Windows 7 Pack 1 upgrade from MS site. Then I did a search for Pack 2, just in case, but all the results point to sites other than MS.
>>>Is Pack 2 a legitimate upgrade? Or should I just install Pack 1?
>>
>>SP2 does not (yet) exist, it's probably a scam.
>>
>>Try first through Windows Update: http://windows.microsoft.com/en-CA/windows7/install-windows-7-service-pack-1
>>
>>If it does not appear there, you can download it from http://www.microsoft.com/en-us/download/details.aspx?id=5842 . The trick with that link is to click on the red "Download" button, then when you are prompted to "choose the download you want", scroll down and select "windows6.1-KB976932-X64.exe" (903.2MB). That's the 64-bit SP; for lurkers, if you want the 32-bit SP select "windows6.1-KB976932-X86.exe" (537.8MB).
>
>The link you cited is what I found and I did download the file windows6.1-KB976932-X64.exe but have not installed it yet. I am debating (with myself) if I should run this update .exe or update through Windows update.
>Thank you.

For whatever reason, I haven't always seen SP1 available in Windows Update when I'd expect it should be. Maybe it's because Windows Update thinks certain prerequisites should be installed first. Even if it is available through Windows Update, it always installs by itself regardless of any other updates that may be available.

I usually bypass any of that nonsense and install it directly from that download.