Navigate to your Windows Control Panel -> Programs and Features. Uninstall "QualityWings 787." Note: Do not manually delete the folder yet, as the uninstaller needs to run to remove registry keys.
Some users have bypassed the check by:
: Attempting to run older installation packages on newer platform service packs (such as moving between Prepar3D v4 and v5). beta 9 has expired qualitywings 787
Keep in mind that the aircraft requires roughly its avionics suite. Do not panic if the displays remain black the absolute second you spawn on the ramp; give the systems a moment to load and verify their refreshed digital signatures. Navigate to your Windows Control Panel -> Programs
