GFXplorer can give you all of your system information in detail, including Windows, CPU, RAM, video, audio, drivers, and much more.
It packs a ton of information into a small program, and it can be installed or taken with you in the portable version.
Typically when you’re looking to get system information, there’s a good reason for it. GFXplorer includes a final tab with shortcuts to malware removal tools, Task Manager, Services, and more for a total of about 18 Windows tools that should point you in the right direction for whatever your problem may be.
For a tech, this one has the details, small size, and shortcuts to make it worth taking with you.