Install Flower¶
Python version¶
Flower requires at least Python 3.9, but Python 3.10 or above is recommended.
Install stable release¶
Using pip¶
Stable releases are available on PyPI:
python -m pip install flwr
For simulations that use the Virtual Client Engine, flwr should be installed with
the simulation extra:
python -m pip install "flwr[simulation]"
Using conda (or mamba)¶
Flower can also be installed from the conda-forge channel.
If you have not added conda-forge to your channels, you will first need to run the
following:
conda config --add channels conda-forge
conda config --set channel_priority strict
Once the conda-forge channel has been enabled, flwr can be installed with
conda:
conda install flwr
or with mamba:
mamba install flwr
Verify installation¶
The following command can be used to verify if Flower was successfully installed. If everything worked, it should print the version of Flower to the command line:
python -c "import flwr;print(flwr.__version__)"
1.14.0
Advanced installation options¶
Install via Docker¶
Install pre-release¶
New (possibly unstable) versions of Flower are sometimes available as pre-release versions (alpha, beta, release candidate) before the stable release happens:
python -m pip install -U --pre flwr
For simulations that use the Virtual Client Engine, flwr pre-releases should be
installed with the simulation extra:
python -m pip install -U --pre 'flwr[simulation]'
Install nightly release¶
The latest (potentially unstable) changes in Flower are available as nightly releases:
python -m pip install -U flwr-nightly
For simulations that use the Virtual Client Engine, flwr-nightly should be installed
with the simulation extra:
python -m pip install -U flwr-nightly[simulation]