It looks like you’ve come across a release string for the version of Command & Conquer 3: Kane’s Wrath . This specific "MULTi11" edition was a popular community-preserved version of the 2008 expansion, noted for including 11 different languages and being patched to the final v1.02 version [1, 2].

Here is a quick look at what this expansion brought to the C&C universe: The Return of the Messiah

Because this version is a legacy release, it often requires a or compatibility tweaks to run smoothly on modern systems like Windows 10 or 11 [6].