"in-place", as long as you have the necessary prerequisites available.
Required software:
-* Web server with PHP 5.x or higher.
+* Web server with PHP 5.1 or higher (this will be the last release to support 5.1.x)
* A MySQL server, 4.0.14 or higher OR a Postgres server, 8.1 or higher
MediaWiki is developed and tested mainly on Unix/Linux platforms, but should