Do you want to know in detail the technical data of the processor, motherboard, RAM memory, video card perhaps to make some upgrades? The simplest and most complete solution is CPU-Z, in a few screens you have all the information you may need; very useful also in the case of overclocking to control temperature, frequency and speed.
Installed (exe) and portable (zip) versions are available
For a quick usage guide: fribby.net/cpu-z/?lang=en
Official Page: cpuid.com/softwares /cpu-z.html
Free Download CPU-Z for Windows:
File
License terms
CPU-Z is a free software : you can freely use it and distribute it.