GeForce.com now offers the long promised patch for Crysis 2 to add DirectX 11 support to Crytek's first-person shooter sequel. This is a three-part release, involving a new version 1.9 patch, as well as the previously accidentally revealed DX11 Tessellation Pack with pre-tessellated geometries and a Hi Res Textures pack that will support both the DirectX 9 and DirectX 11 editions of the game for users with 64-bit OSes and 1 GB graphics cards. One or more of the downloads are mirrored on AtomicGamer, Gamer's Hell, and WorthPlaying. To help understand what this is all about, an article on GeForce.com explains how all this works. Finally, an update on the Crytek Website says to expect the map editor for the game on Wednesday. Here's the explanation on how to update, depending on where you acquired the game:

If your copy of Crysis 2 works through EA Download, EA Origin, Steam, or another digital distribution service with uniquely protected game executables do not download the file labelled Patch 1.9 as your copy will have to receive the patch through their services. You are free to download the DirectX 11 update and high resolution packs, however, as they work with all versions of the game – just ensure you’re patched to version 1.9 before installing them."