Hi @YDH
Please follow the instructions at GitHub - openfheorg/openfhe-python: Official Python wrapper for OpenFHE. Current pre-release version is v0.8.5 (released on February 18, 2024).
It is better to clone to openfhe-development and openfhe-python in different/independent folders. For simplest setup, I suggest using “sudo make install” for both OpenFHE and openfhe-python.
Another option is to use a docker image (see openfhe-python/docker/README.md at docker · openfheorg/openfhe-python · GitHub)