The location depends if you are an EPIC or Stream user.\ TinyTinasWonderlands\OakGame\Binaries\Win64 Insert the content of the D3D11.zip into the game’s installation folder (not the save folder).
Grab the D3D11.zip file and not the source code. You are responsible for your data! You can find your saves files in the following folder: …/documents/mygames/tinytinaswonderlands/ Wonderlands Redux is a Mod, therefore, you should back up your files to secure your data.