Good day

I have just downloaded diablo 4 and I have tried to open the game and I am getting an error 2 code when clicking the diablo icon after donloading, is there something I am doing wrong?
THe full message is : Failed to launch "Diablo IV Launcher.exe"!
Error2: The system cannot find the file specified.
Any help would be appreciated.
Comments
In the meantime I am just going to do a fresh re download of the game hopefully that works.
Re installed still the same error any help would be appreciated.