%META:TOPICPARENT{name="WelcomeVisitors"}%
=Upgrading Existing Virtuoso Installations=

* [[http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VOSUpgradeInstructions| Upgrade from Release 4.x or earlier, to Release 5.x]]
* [[http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/UpgradingToVOS610| Upgrade from Release 5.x through Release 6.0.x, to Release 6.1.0 and later]]