I did download and install the file on the link you provided i did run it as an administrator then restarted the computer i can confirm it was successfully installed (i see it programs and features) and when i right click the battery icon on my taskbar i see that it added a link to energy star's website. Hp energy star windows 10 download. Operating system: microsoft windows 10 (64-bit) as i didn't really know what the software energy star was for, i deleted it but as i've read it was usefull for saving power alimentation, i would like to restore back hp energy star software: the program provides the energy star qualified power plan energy star is a program to promote.