I just downloaded the latest client off the website and the installation showed no errors, however when I open the game folder there is no exe file to launch the game. There is patcher.exe and setup.exe but neither of them starts the game.
Yes that happens because anti-viruses (particularly Windows Defender) considers it dangerous and deletes it upon download. Turn off your antivirus, download it, add the folder/files to the exceptions list of the antivirus, then turn the antivirus back on. Should work then. Edit: seems like you've got it nevermind