What three processor technologies are required to install Windows 8?

To install Windows 8, the processor must support the following three technologies: PAE (Physical Address Extension), NX (No-eXecute bit), and SSE2 (Streaming SIMD Extensions 2). PAE allows the operating system to use more than 4 GB of RAM, NX provides security features against certain types of attacks, and SSE2 enhances multimedia performance. These technologies ensure compatibility and optimal performance for running Windows 8.