SIW is an advanced System Information for Windows tool that gathers detailed information about your system properties and settings and displays it in an extremely comprehensible manner.
SIW can create a report file (CSV, HTML, TXT or XML), and is able to run in batch mode (for Asset Inventory Tracking, Computer (Software and Hardware) Inventory, PC Audit, Software Audit, Software License Compliance Management).
The system information is divided into few major categories
Software: Operating System, Installed Software and Hotfixes, Processes, Services, Users, Open Files, System Uptime, Installed Codecs, Software Licenses (Product Keys / Serial Numbers / CD Key).
Hardware: Motherboard, Sensors, BIOS, CPU, chipset, PCI/AGP, USB and ISA/PnP Devices, Memory, Video Card, Monitor, Disk Drives, CD/DVD Devices, SCSI Devices, S.M.A.R.T., Ports, Printers.
Network: Network Cards, Network Shares, currently active Network Connections, Open Ports.
Tools: Password Recovery, Reveal lost passwords hidden behind asterisks, MAC Address Changer, Monitor Test, Shutdown / Restart.
Real-time monitors: CPU, Memory, Page File usage and Network Traffic.
SIW is a standalone utility that does not require installation (Portable Freeware) – one less installed program on your PC as well the fact that you can run the program directly from an USB flash drive, from a floppy, from a network drive or from a domain login script.
Download SIW from here