Simple issue if all you see is pre-order faded button. Top Right click on 3 bars left of Bethesda Logo and click on Check for Updates and once done on the Fallout 76 window will now show preload. Remember it is 45 GBs so dont forget to download and as PC users this is the full game so we do not have to redownload day of launch unlike the console users.
Can not wait to see you all there who are going to join. I plan on making another tread which will be for PC users and their Usernames or whatever they plan on using to have the way to add one another.
Rock on everyone.