The document discusses testing the performance of several computers using Windows Performance Monitor and TreeSize software. It includes details of tests run on one computer to check processor and memory usage under normal browsing conditions. The results found the processor peaked at 66% during Photoshop use but was generally lower than expected, while memory increases were small. Upgrading the computer's memory and processor is recommended over buying a new system based on the lower cost of upgrading. Regular performance monitoring is advised to optimize computer usage and efficiency.