How to fix ModuleNotFoundError: No module named 'zstandard'

ModuleNotFoundError: No module named 'zstandard'
Recommended: Install via pip into your active environment.
python -m pip install zstandard

Verification

Command
python -c "import zstandard; print(zstandard.__version__)"
Expected output
Success! zstandard version x.y.z (e.g., 2.4.0)