C:\Users\admintor>pip install pyinstaller
Requirement already satisfied: pyinstaller in c:\program files\python310\lib\site-packages (5.2)
Requirement already satisfied: altgraph in c:\program files\python310\lib\site-packages (from pyinstaller) (0.17.2)
Requirement already satisfied: pywin32-ctypes>=0.2.0 in c:\program files\python310\lib\site-packages (from pyinstaller) (0.2.0)
Requirement already satisfied: pyinstaller-hooks-contrib>=2021.4 in c:\program files\python310\lib\site-packages (from pyinstaller) (2022.8)
Requirement already satisfied: setuptools in c:\program files\python310\lib\site-packages (from pyinstaller) (58.1.0)
Requirement already satisfied: pefile>=2022.5.30 in c:\program files\python310\lib\site-packages (from pyinstaller) (2022.5.30)
Requirement already satisfied: future in c:\program files\python310\lib\site-packages (from pefile>=2022.5.30->pyinstaller) (0.18.2)
WARNING: You are using pip version 21.2.4; however, version 22.1.2 is available.
You should consider upgrading via the 'C:\Program Files\Python310\python.exe -m pip install --upgrade pip' command.
这错误代码我都没见过
Requirement already satisfied 指的是你已经安装这个库了，不用管，这没有错误；
下面那个 WARNING: You are using pip version 21.2.4; however, version 22.1.2 is available. 是提示你有新版本的pip可以升级，也不是错误代码，可以选择升级。
如果对你有帮助，请点个采纳，谢谢！