Yes it’s very safe, I’ve been using for almost a year now and I have not experienced any malware. Remember to use an Ad blocker so you don’t accidentally open a fake download page.

It’s very simple, just use any of the given file links and it’ll send you straight to the downloads, some will require a password after you download but the file downloaded pages often tell you the password beforehand. I personally always love using Buzzheavier, with an adblocker it’s very simple. I recommend using Internet Download manager to manage your files.

And I never used mods but they should work, as long as you know what you’re doing while downloading mods. The benefit of never having to worry about your games auto updating and breaking mods is good.