Choose your OS (architecture) and run the following commands:
curl https://storage.googleapis.com/fireworks-public/firectl/stable/darwin-arm64.gz -o firectl.gz
gzip -d firectl.gz && chmod a+x firectl
sudo mv firectl /usr/local/bin/firectl
sudo chown root: /usr/local/bin/firectl
curl https://storage.googleapis.com/fireworks-public/firectl/stable/darwin-amd64.gz -o firectl.gz
gzip -d firectl.gz && chmod a+x firectl
sudo mv firectl /usr/local/bin/firectl
sudo chown root: /usr/local/bin/firectl
wget -O firectl.gz https://storage.googleapis.com/fireworks-public/firectl/stable/linux-amd64.gz
gunzip firectl.gz
sudo install -o root -g root -m 0755 firectl /usr/local/bin/firectl