You want download a file or software from Microsoft Download Center.
In the Install Instructions section is written:
Download the appropriate file for your computer's processor by clicking one of the links below. You can run the package directly from the link or you can also save it on your local disk to install later.
But you cannot see any link or Download button.
Microsoft Download Center Download button is missing
Change the URL of the page using https:// rather than http://
Solution 2 (from sam2030):
Download Button Unavailable on Windows Update Web Site
Solution 3 (from Ryan):
Try using Google Chrome
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