step 1. go to your desktop and right click blockland
step 2. click properties
step 3. right where it says "C:\Program Files\Blockland\Blockland.exe" put a space then a dash and type in mod editor
step 4. click ok and then click blockland 2 times (as you would to start it up)
step 5. start a game and wait until it finishes loading
step 6. press f8 then f11 and you will have mod editor!
im not gunna tell you how to use it because im not so good at it