Download the release zip(on the right sidebar, do not click code..download as zip). Extract directly to your Ashita directory(the folder with ashita-cli.exe in it!). Everything should fall into place.

If you want to time a segment of code you may do the following. Instantiating Timer is equivalent to Timer.start(). Timer t = new Timer(); String val = searchForStuff(); System.out.println("It took " ...