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For Windows 7 Service Pack 1, download the file windows6.1-KB976932-X86.For Update for Windows 7 (KB2533623), download it from this link of Microsoft's official website.
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For Windows 7 Service Pack 1, download the file from Windows7 Service Pack-1 download page.Go to: My Computer -> Properties and check the System Type. Your system is missing the Update for Windows 7 (KB2533623), hence in your Python installation log file it is showing detected windows 7 sp1 without kb2533625, although it should have been detected windows 7 sp1 without KB2533623, I think this is a mistake from Python developers. To install Python 3.7 or 3.8, in windows 7 operating system, you need to install Windows 7 Service Pack 1 first and then Update for Windows 7 (KB2533623) (if not installed already). Windows 7 SP1 is the first big update for Microsofts latest Operating System, Windows Seven.
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