Pre-built binaries in different package formats can be found on

  http://www.mysql.com/downloads

You can find information about how to install from a source distribution at

  http://dev.mysql.com/doc/refman/5.7/en/source-installation.html

The MySQL 5.7 Reference Manual is available on

  http://dev.mysql.com/doc/refman/5.7/en/
