Windows instructions:

Instructions below are unofficially explained in a video by GamePainter: https://www.youtube.com/watch?v=gsnGzQ_Mc_U&t=0s

1. Open Steam
2. Go to Library tab
3. Select Blocksworld, right-click and click on Properties..
4. Select tab Local Files and click on Explore Local Files..
5. From the newly opened window, go into directory Blocksworld_Data
6. Go into directory Managed
7. Extract all the files from the .zip file you just downloaded to the opened directory.
8. Launch Blocksworld!

Mac instructions:

1. Open Steam
2. Go to Library tab
3. Select Blocksworld, right-click and click on Properties..
4. Select tab Local Files and click on Explore Local Files..
5. From the newly opened window, right click Blocksworld and click "Show package contents"
6. Search "Blocksworld" for .dll in the search bar
7. Right click AmplifyOcclusion.dll and click show in enclosing folder
8. Extract all the files from the .zip file you just downloaded to the new opened folder.
9. Launch Blocksworld!