Operating System: Linux, Microsoft Windows XP, Windows Server 2003, 2008 and later, Mac OS X .
Java: Java SE 8. If you have a 64 bit Operating system, then you need a 64 bit version Java. Similarly for 32-bit OS, you need a 32-bit Java.

NOTE : You need to download Java JDK; not JRE .
Database:
- MS SQL Server 2008, 2012, 2014 (including Express editions).
- Oracle 11g, 12c.
- PostgreSQL 9.0 to 9.3.
End of support for following DB versions from v8.0: MS SQL 2000, MS SQL 2005, Oracle 9i, Posgres 8.X.
Email Server: with SMTP and IMAP4 or POP3
Browser: IE 11 (since v7.0), Edge, latest stable version of Firefox and Chrome, Safari on Mac O.S.

It is mandatory that you use one of the supported browsers for installation. We cannot anticipate the behavior during installation if you use an unsupported version.
The support for IE9 (since v8.0), IE 10 (since v9.6) has been deprecated.

Some more on ports :

The following ports are required by the application to execute. You can change them as per your requirement.

By default, the application uses the following port :
- 8888 - Non-SSL startup port.
- 8843 - SSL port startup port.
- 8005 - Shutdown port.
The default ports of the database you will be using. For example, 5432 for Postgres, 1433 for SQL Server, etc.

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