Where is the True edition patch? I have played all 5 chapters, and I can't get the incest part to work correctly.
It's on lewdpatcher. You need only download the patch called "True Edition." It comes with a folder called "game." Simply merge this "game" folder with the folder that already exists in your Radiant directory (also called 'game') and it will work fine.
If you installed it correctly and didn't delete or change anything from the patch folder, you'll see "True Edition" on the homescreen.
The patch comes with "optional" instructions to remove incest for people who dislike it... but if you want incest you can ignore this and just follow the regular installation instructions.
Are you by any chance an Android player? If so, you need the pre-patched version of the game, as it's not possible to manually patch Android.
Otherwise, the only thing I can really say is that you're not putting the game folder in the correct place.
It's also possible that you're not using WinRAR or 7zip to unpack the RAR. Windows' built in extraction tool is trash and will botch the files. If you're not an Android player and you're putting the folder in the correct place... start over, make sure you're using WinRAR or 7zip to extract/unpack the patch, then try again
When you download the patch, you're not supposed to move files. Open the RAR file then just move the entire "game" folder and drop it into the directory that already has a folder called "game." If asked to overwrite, press yes.
If you do this correctly, the patch will work. There's 0 reported problems with it. As I mentioned above, just make sure you're using a program like WinRAR or 7zip. Windows' built-in ZIP-extraction does not work.