What are the minimum system requirements for watching online?

A PC running a supported 32-bit Windows operating system
A supported browser (Internet Explorer,Firefox,Chrome etc)
X86 or X64 500-megahertz (MHz) or higher processor
512 MB of RAM
250 MB of disk space for installation
Screen resolution of 1024 x 768
16-bit colour display, preferably 32-bit
or a MAC with similar specification
2 Mbit/s dedicated broadband speed