Please install python through https://www.python.org/downloads/ https://www.python.org/ftp/python/3.13.3/python-3.13.3-macos11.pkg despite of your existing python version. I had python3 in my mac (I have used brew install python earlier). Now I have again installed python using the above URL and after I ran the below command (refer https://docs.aws.amazon.com/cli/v1/userguide/install-macos.html#install-macosos-bundled-sudo) and successfully installed sudo ./awscli-bundle/install -i /usr/local/aws -b /usr/local/bin/aws