安装Python时可能要到安装不成功的情况,解决问题步骤:

    (1)先看log日志;有的提示需要安装win7 SP1;

    (2)微软官方下载,先安装win7 SP1:windows6.1-KB976932-X64.exe;地址:https://www.microsoft.com/en-us/download/details.aspx?id=5842
    再安装补丁:Windows6.1-KB2533623-x64.msu;地址:https://www.microsoft.com/en-us/download/details.aspx?id=26764

    (3)再安装Python3.7.5.exe,最后再安装Pycharm编译环境:pycharm-community-2020.1.exe