installing flask code example
Example 1: flask install
py -m pip install flask
setx PATH "%PATH%;C:\<path\to\python\directory\>\Scripts"
pip install flask
py -m pip install --trusted-host pypi.python.org pip flask
py -m pip install --user flask
py -m venv c:\path\to\new\environment
c:\path\to\new\environment\Scripts\activate.bat
Example 2: install flask
pip install flask
Example 3: install flask windows
pip install flask
Example 4: install flask
pip install -U Flask
Example 5: Install Flask
pip install flask
Or If The Problem is "pip" not Found Use :
py -m pip install flask