You can now download PCMark 8 from Futuremark. PCMark 8 is designed to test the performance of all types of PC, from tablets to desktops. With five separate benchmark tests plus battery life testing... Download PCMark 8
well yeah.. it runs programs and multitask programs/browser tab. video encoding, disk caching,reading,. these things take time and then it wants to do it again.....
Both the Primary and Secondary links is still the old version PCMark8-v1-2-157.zip http://www.guru3d.com/files_details/pcmark_8_download.html The new are PCMark 8 - 2.0.191 and it is 2.9GB.
they still not giving people discounts for owning older pcmark version. something about technical issue with there own store. for this reason I have not bought it. I just use it to compare operating systems. and which system gives higher scores and in which part it benefits