Enable editing in Word

Hay, I download my word from web and i just open document without saving. I wondering how can I click enable editing in that word and then save it on chosen folder? I try something like this. Can someone can tell me haw can I do that , that the click is working?

Hi @Tinkerbell,
How about saving it first and then open?

I will try, but this is the easier way. So I was thinking that I can do it like this.