ClanLib comes in two editions, 32 bit (win32) and 64 bit (x64). Minimum you will need one edition, but they can be be installed side by side if wanted.
Note, if you want to look at the ClanLib Examples, you also need to download the source package.
ClanLib relies on some other libraries, like libpng and zlib. Here is a collection of them all precompiled and ready for use:
For other dependancy options, see Dependency Libraries.
ClanLib uses other libraries for some of the examples found into the ClanLib source package. See Example Dependency Libraries.
Jump to the documentation - it has installation guides.
Download the Visual Studio 2010 Plugin that lets you create new ClanLib projects easily.
If you are updating from an older version, please read about the breaking changes.