After forcing the Jetson OS (based on the ubuntu 18.04) to have Python 3.8 running. After having the JetPack 4.6.3 installed in the Jetson Nano Jetson OS.

When attempting to install TensorFlow 2+ manually in the Jetson Nano based on Official TensorFlow for Jetson Nano! – Jetson & Embedded Systems / Jetson Nano – NVIDIA Developer Forums

Or running the pip3 install command:

sudo pip3 install --pre --extra-index-url https://developer.download.nvidia.com/compute/redist/jp/v46 tensorflow

After a long time installing all the dependency for TensorFlow. A dreaded error message will occur.

ERROR: Failed to build installable wheels for some pyproject.toml based projects (h5py)

To understand the error, scroll up to read what are the error.