how to install successful world editor ?

[over9000 0]

hello. can someone explain to me how to install world editor ? i have it on my pc, but when i try to do something in it i get an error, the the program is crashing and then i can't open it again.

i would appreciate if someone of you can explain me step by step what to do after i downloaded it.

 

(i downloaded the program with a link from this forum.)

 

 

Thx.

[tierrilopes 452]

Put the world editor in this folder:

 

D:ymir work