[Debian] Install Python 3.4 on Debian 7 (Wheezy) Install dependencies $ [sudo] apt-get install \ > build-essential \ > libncurses5-dev \ > libncursesw5-dev \ > libreadline6-dev \ > libdb5.1-dev \ > libgdbm-dev \ > libsqlite3-dev \ > libssl-dev \ > libbz2-dev \ > libexpat1-dev \ > liblzma-dev \ > zlib1g-dev Download python 3 from python.org website and uncompress it $ wget https://www.python.org/ftp/python/3.4.3/Python-3.4.3.tgz \ > -O /tmp/ && \ > tar -zxf $_ && \ > cd /tmp/Python-3.4.3 && \ > [sudo] ./configure --prefix=/opt/python-3.4.3 && \ > [sudo] make && \ > [sudo] make install Add new python3 installation location to PATH $ export PATH="/opt/python-3.4.3/bin/:$PATH" $ echo '!!' >> ~/.bashrc