You can download it here

Key Features of PCMark05

• Unparalleled ease-of-use: One click benchmarking
• Unified benchmarking for desktop and laptop PCs and workstations
• Cross-platform performance comparisons across supported Windows operating systems
• System Information tool that displays advance system configuration information
• Test scenarios and support for latest CPU technologies, including Hyper-Threading and multicore CPUs
• Digital video encoding and decoding, file compression and decompression, encryption, decryption, internet browsing, physics, 3D, text editing, audio conversion and image processing performance tests
• System, CPU, memory, 2D & 3D graphics and hard disk drive test suites