Could not find a version that satisfies the requirement

[snippsat]

That error message is typical network(firewall ect..) problem on your side.
Can try with a proxy and see if that work.

Example check that pip is updated(newest 21.1.3) an how to use proxy.
Free Proxy List these can down fast so have try serval.

# Test pip
G:\div_code
λ pip -V
pip 21.1.3 from c:\python39\lib\site-packages\pip (python 3.9)

# Use proxy
G:\div_code
λ pip install --proxy="http://41.190.147.158:54018" wmi
Collecting wmi
  Using cached WMI-1.5.1-py2.py3-none-any.whl (28 kB)
Requirement already satisfied: pywin32 in c:\python39\lib\site-packages (from wmi) (300)
Installing collected packages: wmi
Successfully installed wmi-1.5.1

Other stuff to try.

python -m pip install --trusted-host pypi.python.org --trusted-host files.pythonhosted.org --trusted-host pypi.org --upgrade pip

Can also try to install the newest Python version.