Simple: you don't have to save it, just remember the search code "kim o hotkey" then enter it on google search. open thewebsite and download. after that just double click the file and it will work.
here the download link for Simple
Easy: you have to save the file though. this Inventory A+ easy and work very well for DotA.
here the download link for Easy
Complex: with this warkey you not just can use the hotkey for inventory, but more than that. you can simply change hotkey for certain hero skill and a lot of setting available here.
here the download link for Complex
any Question welcome
