I bought a game some mounths ago and I wanted to install them now. But when I downloaded the installer a little window appeared and there were written: "unable to connect GOG.com. Please check your internet connection." My wifi is ok tho. So where is the problem? I read some advice I should try it again and again and it will start once but I've tried it for quite a long time and nothing other happened. Sometimes even the window didn't show up. I also read about something like GOG Galaxy 2.0 so I tried to download it but there were the same issue for some reason. I've never bought anything on GOG before so I don't really understand how it goes here. I'm realising that it might be because I bought it long time ago. Could you please tell me if there is any way to figure it out?

If you are downloading through the website, be sure to avoid the big blue button, is there to trick you to install the unneeded client.
Check attached picture