This is the same company that created Defraggler, arguably the best disk defragmenter (by far).
There are free and paid versions (and no ADs, just that free version has no support). Online help file and Menu Find feature to locate the menu you need. Speccy (by Piriform/CCleaner) Something simpler from somewhere you've heard of, provides basic information in an easy to use traditional styled GUI. Runs on Windows XP/Vista/7/8.1/10 in 45 languages. Most recent review (on, in German) rates it 4.2/5 last year.
Was a Softpedia Editor's Choice when it was reviewed long ago, it's on its 64th update (5) now. MooO System Monitor lets you choose by checkbox what to display allowing you to create a desktop widget that can sit off to the side. Enormous menu has search function to locate which system information value you want to inspect. Most processors that can run Windows are also supported including AMD, Intel, Itanium, DEC Alpha, VIA. Windows 95, 98 and Me are also supported. System Information Viewer can check the temperature of each CPU core along with the temperature of other devices that report their values such as memory controller hub, HDD, SSD, GPU, UPS, etc.
