sysinternals

WSCC is a free, portable program that allows you to install, update, execute and organize the utilities from various system utility suites. WSCC can install and update the supported utilities automatically. Alternatively, WSCC can use the http protocol to download and run the programs. WSCC is portable, installation is not required. Extract the content of the downloaded zip archive to any directory on your computer.

Process Monitor is an advanced monitoring tool for Windows that shows real-time file system, Registry and process/thread activity.

The Process Explorer display consists of two sub-windows. The top window always shows a list of the currently active processes, including the names of their owning accounts, whereas the information displayed in the bottom window depends on the mode that Process Explorer is in:

Have you ever wondered exactly how Windows is assigning physical memory, how much file data is cached in RAM, or how much RAM is used by the kernel and device drivers? RAMMap makes answering those questions easy. RAMMap is an advanced physical memory usage analysis utility for Windows Vista and higher. It presents usage information in different ways on its several different tabs:

Disk2vhd is a utility that creates VHD (Virtual Hard Disk - Microsoft's Virtual Machine disk format) versions of physical disks for use in Microsoft Virtual PC or Microsoft Hyper-V virtual machines (VMs). The difference between Disk2vhd and other physical-to-virtual tools it that you can run Disk2vhd on a system that's online.