This is the dedicated server utility for Techland's Chrome. Allowing multiplayer players to host and join dedicated server lobbies.
Special thanks to Patches-scrolls.com for hosting a forgotten archive of this file. Techland's official description is as follows.
Chrome dedicated server file includes a game compatible with Chrome in 1.2.0.0 version and with the latest demo version. The server features 5 out of 19 official multiplayer maps. Chrome stand-alone server runs on Windows 98/2000/ME/XP operating systems only.
How to install the patch and in which file I need to put it?
It's not a patch it's a dedicated server utility. I'm assuming you install it to the game's directory.