[Python] Lean CLI does not show "backtest" command after installation

I am trying to install Lean CLI on Windows 10 inside a virtual environment (venv), but after installation I do not see the backtest command.

Here are the exact steps I did:

1. 
   Created and activated a virtual environment:
   
   python -m venv venv
   venv\Scripts\activate
2. 
   Installed Lean CLI:
   
   pip install lean
3. 
   Verified installation:
   
   lean --help

But I only get:

Usage: lean [OPTIONS] COMMAND [ARGS]...

Options:
--version Show the version and exit.
--help Show this message and exit.

Commands:
create-project Create a new project containing starter code.
init Bootstrap a Lean CLI project.
login Log in with a QuantConnect account.
logout Log out and remove stored credentials.


There is no backtest command at all.

I tried:

• 
  Upgrading pip and reinstalling Lean (pip install --upgrade lean)
  
  
• 
  Installing directly from GitHub (pip install git+https://github.com/QuantConnect/Lean.git)
  
  
• 
  Installing .NET SDK and trying dotnet tool install --global QuantConnect.Lean.CLI but got quantconnect.lean.cli is not found in NuGet feeds.
  

Question:
How can I correctly install Lean CLI with latest version so that I can run lean backtest "MyStrategy" locally on Windows?

Note: The version i getted was 0.1.2 (It is verrrry old ) && i use powershell ***

Any help would be appreciated!

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