It doesn’t need to be installed, because it’s executable directly from any drive.
Its simple and intuitive interface is divided into three different parts:
- Hardware: Detailed system info, CPU, Bios, PCI, installed cards, USB devices,...
- Software: Operating system, DLL libraries, crypted files, codecs, authors,...
- Network: Security level, ports, connected servers, active connections, TCP/IP, etc.
And all this completely free.