Worlds Shaper - open your Worlds ini file withing your Worlds player folder. This is how you do it. Double click on My Computer on the desktop.
Then double click on C: Drive
Then double click on program files
Then double click on Worlds folder
Then double click on Worlds Player
Then u should see your worlds ini file. look's like this .
Now that we have found are worlds ini file. Double click on it to open it up We have now got to add a line into it under the line Product_Name=worlds.com or in some cases, Product_name=worldsplayer.
This is the line to add DISABLESHAPER=0 ( 0 meaning the number Zero ). as seen in the picture below.
Now that we have that line in your worlds ini file. save & close the file down then restart worlds.

After starting worlds up, You should now have the dropdown tools at the top of your worlds screen.You can then open a new world that you have downloaded like this. click on the tools menu at the top as so.
File then you get a dropdown menu click on Open