1. Download the python source package
wget http://python.org/ftp/python/3.6.1/Python-3.6.1.tar.xz
2. Unzip the file
tar -xvf Python-3.6.1.tar.xz
3. Enter the unzipped folder
cd Python-3.6.1
4. Configuration configuration file (path)
./configure --prefix=/usr/local/python3
5. compile
make
6. Install
make install