More than 330 visits and no 1 helping hand, please help to conclude install

Last step to install GoldenSection= please help how to conclude

Autor Odpowiedzi
megatrends Sunday 19 September 2021 at 6:14

Hello. I followed every step to install PlayonMac on my iMac v. 10.13.6 but on the very last step, after the screen shows PlayonMacvirtualdrives>AtriseGoldenSection>drive_c:  the "Open" button at the last step's next screen shows blank/grey, not allowing to conclude the installation.
What else to do? The program to install is
Your help will be appreciated, I have tried other compatibility programs and I hope this is the one that really works. 
I would attach a print screen but don't find how.