Did you downloaded engine via Launcher? If you did, open Library menu, find your engine version and instead of clicking Lauch you can click on drop menu and choose “Verify”. tadp-2.0r8 is older version, you can find 4.0 on this link > tadp 4.0r1
Did you downloaded engine via Launcher? If you did, open Library menu, find your engine version and instead of clicking Lauch you can click on drop menu and choose “Verify”. tadp-2.0r8 is older version, you can find 4.0 on this link > tadp 4.0r1