Remove the startpageide150.bpl package from the registry in HKEY_CURRENT_USER\Software\Embarcadero\BDS\8.0\Known IDE Packagesand you will not receive a welcome page.
But you still need to click File -> New -> Delphi VCL Forms applicationto create a new application every time the IDE starts.
, , IDE. Delphi ( ++ Builder RAD Studio IDE), IDE 99% .