$ more homebrew_installer.sh # review the script until you feel comfortable $ curl -fsSL -output homebrew_installer.sh The second option is curl to install, if you are more careful just download the install.sh, file, and install manually. Install Homebrew in Mac (Catalina, BigSur):įirst, you need to install Homebrew on your Mac. If you are interested to remove existing or install python version via Homebrew 2.

Run the following command to set the global version of python and verify the version $ pyenv global 3.9 Now run command to install required python versions, In our case, we are updating to python3.9 $ pyenv install 3.9 The output will look like Available versions: You can verify the installation and list the available python versions to install $ pyenv install -list Just close the terminal and upon and execute the shell command $ exec '$SHELL' $ echo 'eval '$(pyenv init -)'' > ~/.bash_profile $ echo 'export PATH='$PYENV_ROOT/bin:$PATH'' > ~/.bash_profile

With using zsh, I successfully updated the python version to 3.9įirst, install the pyenv, just run $ brew updateĪnother option just to clone the repository of pyenv $ git clone ~/.pyenvĮxport the environment variable, run command one by one $ echo 'export PYENV_ROOT='$HOME/.pyenv'' > ~/.bash_profile Update existing Python version Safely in Catalina, BigSur: These days you most project demand python 3.x. Update Python 2 to 3 or install Python 3 on Your Mac OS by using Homebrew

Completely remove python 2.7 mac