SIW (System Information for Windows) performs computer configuration analysis and diagnostics. It gives detailed information about your computer properties and settings, detailed specs for hardware, software, network configuration and other elements of your system.

SIW can offer detailed information about:

• Software: operating system, installed software and hotfixes, processes, services, users, open files, system uptime, installed codecs, licenses
• 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 passwords hidden behind asterisks, product keys and serial numbers (CD Key), MAC address Changer, shutdown / restart
• Real-time monitors: CPU, memory, page File usage and network traffic

SIW can also create a report file (CSV, HTML, TXT or XML). Also, being a standalone utility that doesn't require installation, you can run the program directly from a USB flash drive.