It is very good that the computer is protected by Windows, this message appears if Windows does not know the software or not certified publisher!
If you have not downloaded the software from dubious sites and the manufacturer knows them
can you confirm this by clicking on More information. ( ... see picture 1)
Then click on Run anyway! (... see picture-2)
► Warnings Viruses and Trojans, it always comes, why?
► Excluding a folder from the Windows 10 Defender, but how?
But beware! Certified does not mean at the same time safe, or moral, or ethical. Because your computer could be garbed with Addware, or other Trecking Tools. Addware programs are not viruses, but annoying!
FAQ 9: Updated on: February 24th 2018 22:05