How to solve the problem of Python installing pyinstaller?

The phenomenon and background of the problem

Python 3.10.0a2 Version passed cmd The installation and downloading of the installation package cannot be installed offline pyinstaller

Operating environment 、 Software version and other information

win10 operating system ,python3.10.0a2 edition
The installed packages are

Tried solutions

I have tried all methods such as image downloading on the Internet , It can't be solved