Well, at least, kinda allright. The f is happening and how can i fix it?
All new objects are look like that, inverted and you can see one through another
You may have accidentally activated some weird view mode. Have you tried to ‘use defaults’. It is the first entry in the list of the ‘Show’ menu in the top left
Try to narrow it down. See if another project has the same problem and if it has try to see if the problem appears in another engine version or see if it happens on another computer or with another video card. I have seen this before but I cannot remember what the cause was and how we fixed it, sorry.