Originally posted by Compelx:

Hello Masyaka, download the mod manager @ http://www.moddb.com/mods/revamp-mod/downloads

Then download the Revamp expansion mod and extract the two .sc2 files inside. Using the mod manager add both .sc2 files then install mod support first then revamp.

There is a video here that may help:
http://www.moddb.com/mods/revamp-mod/videos/mod-installation-guide2#imagebox