Centos 7

yum -y install gcc openssl-devel bzip2-devel libffi-devel zlib-devel

cd /usr/src

wget https://www.python.org/ftp/python/3.8.9/Python-3.8.9.tgz

tar xzf Python-3.8.9.tgz

cd Python-3.8.9

./configure --enable-optimizations

make altinstall

rm /usr/src/Python-3.8.9.tgz

python3.8 -V

    ...
    Python 3.8.9
    ...

Python. Install