IW 15.2.18 - delphi 10.4.2

[staff@ergosoft.it]

Hi,

I try to install IW 15.2.18 on delphi 10.4.2

the setup tell me this error 
"Sorry, the files could not be downloaded. Click Retry to try downloading the files again, or click "cancel" to terminate setup "

???

thanks 
Alessandro Romano