Upgrade SpamAssassin 2.64 to SpamAssassin 3.2x

[droy.ndinga]

Hello,

I've a dedicated server on which Plesk 7.5.6 Reloaded + PowerPack for Windows is running. I want to upgrade my SpamAssassin 2.64, the default installation to SpamAssassin 3.2. Does it possible ?

Can someone give me the step by step procedure to execute ? The dedicated server is a production server and i need to don't damaged existent.