[TLB]

from MSN Music's FAQ:

Hardware and Software Requirements
* Windows XP with SP2
* Internet Explorer 5.5 (or later), which supports 128-bit encryption
* Windows Media Player 7.1 (or later), we recommend the latest version
* A 233 megahertz (MHz) processor (such as an Intel Pentium II or Advanced Micro Devices (AMD) processor) or faster
* 64 megabytes (MB) of RAM or more
* Speakers and sound capability
* Payment with a valid credit card with a U.S. billing address
* To enjoy high-quality audio as a Radio Plus subscriber, you will need Windows Media Player 9 Series (or later)