检查Python版本兼容性
确保下载的Python版本与操作系统匹配（如Windows 32位/64位、macOS ARM/x86）。可通过命令行输入python --version或python3 --version验证已安装版本是否与需求一致。
清理残留文件
若之前安装失败，需手动删除残留文件。Windows用户检查C:\Users\<用户名>\AppData\Local\Programs\Python目录；macOS/Linux用户检查/usr/local/bin或~/.local路径。同时删除环境变量中旧的Python路径。
关闭杀毒软件和防火墙
部分安全软件会拦截Python安装程序修改系统路径。临时禁用实时防护功能，或在安装时添加白名单。
以管理员权限运行安装程序
右键点击安装包选择“以管理员身份运行”。macOS/Linux系统需使用sudo命令：
sudo ./Python-3.x.x.pkg
勾选PATH环境变量选项
在安装界面务必勾选“Add Python to PATH”选项（Windows）或手动配置环境变量。安装完成后，在命令行测试：
python -c "print('Hello World')"
检查磁盘空间和权限
确保安装目标磁盘有足够空间（至少2GB剩余）。Windows用户避免安装在Program Files等受保护目录；macOS/Linux用户确保对/usr/local有写入权限。
使用虚拟环境隔离依赖
安装成功后，立即创建虚拟环境避免包冲突：
python -m venv myenv
source myenv/bin/activate # Linux/macOS
myenv\Scripts\activate.bat # Windows
查看详细错误日志
若安装程序崩溃，Windows用户查看%TEMP%目录下的日志文件；macOS用户通过控制台应用搜索Python Installer相关记录。常见错误如MSVCR140.dll缺失需安装Visual C++ Redistributable。
https://github.com/taizi103/-/issues/1586
https://github.com/taizi102/-/issues/1590
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https://github.com/taizi105/-/issues/1580
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https://github.com/taizi105/-/issues/1464
https://github.com/taizi102/-/issues/1474
https://github.com/taizi101/-/issues/1474
https://github.com/taizi105/-/issues/1463
https://github.com/taizi103/-/issues/1470
https://github.com/taizi102/-/issues/1473
https://github.com/taizi101/-/issues/1473
https://github.com/taizi103/-/issues/1469
https://github.com/taizi105/-/issues/1462
https://github.com/taizi101/-/issues/1472
https://github.com/taizi102/-/issues/1472
https://github.com/taizi105/-/issues/1461
https://github.com/taizi103/-/issues/1468
https://github.com/taizi101/-/issues/1471
https://github.com/taizi102/-/issues/1471
https://github.com/taizi105/-/issues/1460
https://github.com/taizi103/-/issues/1467
https://github.com/taizi101/-/issues/1470
https://github.com/taizi102/-/issues/1470
https://github.com/taizi105/-/issues/1459
https://github.com/taizi103/-/issues/1466
https://github.com/taizi101/-/issues/1469
https://github.com/taizi102/-/issues/1469
https://github.com/taizi105/-/issues/1458
https://github.com/taizi103/-/issues/1465
https://github.com/taizi101/-/issues/1468
https://github.com/taizi102/-/issues/1468
https://github.com/taizi105/-/issues/1457
https://github.com/taizi103/-/issues/1464
https://github.com/taizi102/-/issues/1467
https://github.com/taizi101/-/issues/1467
https://github.com/taizi105/-/issues/1456
https://github.com/taizi103/-/issues/1463
https://github.com/taizi102/-/issues/1466
https://github.com/taizi101/-/issues/1466
https://github.com/taizi105/-/issues/1455
https://github.com/taizi103/-/issues/1462
https://github.com/taizi101/-/issues/1465
https://github.com/taizi102/-/issues/1465
https://github.com/taizi105/-/issues/1454
https://github.com/taizi103/-/issues/1461
https://github.com/taizi102/-/issues/1464
https://github.com/taizi101/-/issues/1464
https://github.com/taizi105/-/issues/1453
https://github.com/taizi103/-/issues/1460
https://github.com/taizi102/-/issues/1463
https://github.com/taizi101/-/issues/1463
https://github.com/taizi105/-/issues/1452
https://github.com/taizi103/-/issues/1459
https://github.com/taizi102/-/issues/1462
https://github.com/taizi101/-/issues/1462
https://github.com/taizi105/-/issues/1451
https://github.com/taizi103/-/issues/1458
https://github.com/taizi101/-/issues/1461
https://github.com/taizi102/-/issues/1461
https://github.com/taizi105/-/issues/1450
https://github.com/taizi103/-/issues/1457
https://github.com/taizi102/-/issues/1460
https://github.com/taizi101/-/issues/1460
https://github.com/taizi105/-/issues/1449
https://github.com/taizi103/-/issues/1456
https://github.com/taizi102/-/issues/1459
https://github.com/taizi101/-/issues/1459
https://github.com/taizi105/-/issues/1448
https://github.com/taizi103/-/issues/1455
https://github.com/taizi102/-/issues/1458
https://github.com/taizi101/-/issues/1458
https://github.com/taizi105/-/issues/1447
https://github.com/taizi102/-/issues/1457
https://github.com/taizi103/-/issues/1454
https://github.com/taizi101/-/issues/1457
https://github.com/taizi102/-/issues/1456
https://github.com/taizi105/-/issues/1446
https://github.com/taizi103/-/issues/1453
https://github.com/taizi101/-/issues/1456
https://github.com/taizi102/-/issues/1455
https://github.com/taizi105/-/issues/1445
https://github.com/taizi103/-/issues/1452
https://github.com/taizi101/-/issues/1455
https://github.com/taizi105/-/issues/1444
https://github.com/taizi102/-/issues/1454
https://github.com/taizi103/-/issues/1451
https://github.com/taizi101/-/issues/1454
https://github.com/taizi105/-/issues/1443
https://github.com/taizi102/-/issues/1453
https://github.com/taizi103/-/issues/1450
https://github.com/taizi101/-/issues/1453
https://github.com/taizi105/-/issues/1442
https://github.com/taizi102/-/issues/1452
https://github.com/taizi103/-/issues/1449
https://github.com/taizi101/-/issues/1452
https://github.com/taizi105/-/issues/1441
https://github.com/taizi102/-/issues/1451
https://github.com/taizi103/-/issues/1448
https://github.com/taizi101/-/issues/1451
https://github.com/taizi105/-/issues/1440
https://github.com/taizi102/-/issues/1450
https://github.com/taizi103/-/issues/1447
https://github.com/taizi101/-/issues/1450
https://github.com/taizi105/-/issues/1439
https://github.com/taizi102/-/issues/1449
https://github.com/taizi103/-/issues/1446
https://github.com/taizi101/-/issues/1449
https://github.com/taizi105/-/issues/1438
https://github.com/taizi102/-/issues/1448
https://github.com/taizi103/-/issues/1445
https://github.com/taizi101/-/issues/1448
https://github.com/taizi105/-/issues/1437
https://github.com/taizi102/-/issues/1447
https://github.com/taizi103/-/issues/1444
https://github.com/taizi101/-/issues/1447
https://github.com/taizi105/-/issues/1436
https://github.com/taizi102/-/issues/1446
https://github.com/taizi103/-/issues/1443
https://github.com/taizi101/-/issues/1446
https://github.com/taizi105/-/issues/1435
https://github.com/taizi102/-/issues/1445
https://github.com/taizi103/-/issues/1442
https://github.com/taizi101/-/issues/1445
https://github.com/taizi105/-/issues/1434
https://github.com/taizi102/-/issues/1444
https://github.com/taizi103/-/issues/1441
https://github.com/taizi101/-/issues/1444
https://github.com/taizi105/-/issues/1433
https://github.com/taizi102/-/issues/1443
https://github.com/taizi103/-/issues/1440
https://github.com/taizi101/-/issues/1443
https://github.com/taizi105/-/issues/1432
https://github.com/taizi102/-/issues/1442
https://github.com/taizi103/-/issues/1439
https://github.com/taizi101/-/issues/1442
https://github.com/taizi105/-/issues/1431
https://github.com/taizi102/-/issues/1441
https://github.com/taizi103/-/issues/1438
https://github.com/taizi101/-/issues/1441
https://github.com/taizi105/-/issues/1430
https://github.com/taizi102/-/issues/1440
https://github.com/taizi103/-/issues/1437
https://github.com/taizi101/-/issues/1440
https://github.com/taizi105/-/issues/1429
https://github.com/taizi102/-/issues/1439
https://github.com/taizi103/-/issues/1436
https://github.com/taizi101/-/issues/1439
https://github.com/taizi105/-/issues/1428
https://github.com/taizi102/-/issues/1438
https://github.com/taizi103/-/issues/1435
https://github.com/taizi101/-/issues/1438
https://github.com/taizi105/-/issues/1427
https://github.com/taizi102/-/issues/1437
https://github.com/taizi103/-/issues/1434
https://github.com/taizi101/-/issues/1437
https://github.com/taizi105/-/issues/1426
https://github.com/taizi102/-/issues/1436
https://github.com/taizi103/-/issues/1433
https://github.com/taizi101/-/issues/1436
https://github.com/taizi102/-/issues/1435
https://github.com/taizi105/-/issues/1425
https://github.com/taizi103/-/issues/1432
https://github.com/taizi101/-/issues/1435
https://github.com/taizi102/-/issues/1434
https://github.com/taizi103/-/issues/1431
https://github.com/taizi105/-/issues/1424
https://github.com/taizi101/-/issues/1434
https://github.com/taizi102/-/issues/1433
https://github.com/taizi103/-/issues/1430
https://github.com/taizi105/-/issues/1423
https://github.com/taizi101/-/issues/1433
https://github.com/taizi103/-/issues/1429
https://github.com/taizi102/-/issues/1432
https://github.com/taizi105/-/issues/1422
https://github.com/taizi101/-/issues/1432
https://github.com/taizi105/-/issues/1421
https://github.com/taizi102/-/issues/1431
https://github.com/taizi103/-/issues/1428
https://github.com/taizi101/-/issues/1431
https://github.com/taizi105/-/issues/1420
https://github.com/taizi102/-/issues/1430
https://github.com/taizi103/-/issues/1427
https://github.com/taizi101/-/issues/1430
https://github.com/taizi103/-/issues/1426
https://github.com/taizi101/-/issues/1429
https://github.com/taizi102/-/issues/1429
https://github.com/taizi105/-/issues/1419
https://github.com/taizi101/-/issues/1428
https://github.com/taizi102/-/issues/1428
https://github.com/taizi103/-/issues/1425
https://github.com/taizi105/-/issues/1418
测量及设计注意事项)
