To install Couchbase Server on your machine you must download the appropriate package for your chosen platform from http://www.couchbase.com/downloads. For each platform, follow the corresponding platform-specific instructions.
If you are installing Couchbase Server on to a machine that has previously had Couchbase Server installed and you do not want to perform an upgrade installation, you must remove Couchbase Server and any associated data from your machine before you start the installation. For more information on uninstalling Couchbase Server, see Appendix B, Uninstalling Couchbase Server.
To perform an upgrade installation while retaining your existing dataset, see Section 2.5, “Upgrading to Couchbase Server 2.0.x”.