SC on windows 10 error , isdone.dll

I am tring to install SC ii legacy of the void on windows 10 pro, it just keep giving me that error message at 99.4% it can’t decompress some file by isdone.dll
I have tried everything, nothing is working
Any ideas???

Sorry to hear about your installation problems, I would suggest working through the steps here

Should the issue continue after those steps then please reach out to the support team with your System Files.