Как установить Python 3.7 на Debian 8?

Подготовка

apt-get install build-essential libsqlite3-dev libssl-dev \
zlib1g-dev libncurses5-dev libgdbm-dev libnss3-dev \
libreadline-dev libffi-dev wget

Получение и распаковка архива

wget https://www.python.org/ftp/python/3.7.4/Python-3.7.4.tar.xz
tar xpJf Python-3.7.4.tar.xz
cd Python-3.7.4/

Сборка

./configure --enable-optimizations
make
make intall