pip install -U selenium
For Firefox:
from the link "https://github.com/mozilla/geckodriver/releases" to download related file
wget https://github.com/mozilla/geckodriver/releases/download/v0.14.0/geckodriver-v0.14.0-linux64.tar.gz
tar-xvzf geckodriver-v0.11.1-linux64.tar.gz
rm geckodriver-v0.11.1-linux64.tar.gz
chmod+x geckodriver
cp geckodriver /usr/local/bin/
to uncompressed a *.zip file using
unzip geckodriver-0.14.0.zip
