RAMMap is a small, free but professional tool for analyzing and cleaning up physical memory usage, developed by Microsoft. It presents detailed RAM usage information in different ways, enabling you to understand the memory usage of your system and applications and how Windows manages the memory allocation. In addition, it can effectively clean up memory.

Autoruns is a very good system startups management tool, not only can manage the boot startups and services, but also can directly control the registry. In addition, Autoruns can directly use Google to make a internet search (right-click/Search Online...), directly control the different system logon users, and save the operation records to a file at any time.