Read the section of the UPGRADING file from the release package. The easiest way to get it is from https://roundcube.net/download.
Wait for it to download, and then unzip (using Win Zip or "tar xvfz roundcubemail-*gz") in the current directory.
is a "batteries included" SQL query builder for Postgres, MSSQL, My SQL, Maria DB, SQLite3, and Oracle designed to be flexible, portable, and fun to use.
It features both traditional node style callbacks as well as a promise interface for cleaner async flow control, a stream interface, full featured query and schema builders, transaction support (with savepoints), connection pooling and standardized responses between different query clients and dialects.
You can report bugs and discuss features on the Git Hub issues page, add pages to the wiki or send tweets to @tgriesser.