For the E-prime based versions (adult and child), you need to have the E-run installed.  Browse www.pstnet.com for further information about the E-prime and E-run. Click here to download ANT adult version or click here to download ANT child version.

You can also download the online (Java) version of the ANT so that you can run it locally and get the raw data saved.  For this version, you can use "testant" as the group number (user name) and "10000" as the password.  Or you can edit the "usergroup" file to define your own groups.  Before you download it, you may need to run it online so that you can get Java Run Time Environment 1.3 installed.  Click here to run the online version of the ANT and then click here to download the online version of the ANT.   You need to unzip the zipped file after you download it using WinZip.  To run the ANT offline, just double click on the program "ant.jar".   You can also download the Java Runtime Environment directly and install it . To use mouse button as the response device, it is better to run it locally. Otherwise, when you run it online, there will be a "Java Applet" bar at the bottom which may trap the mouse response if the cursor is moved on it. 

To run under Mac OS X, you can download the online version of the ANT and run it on your Mac.  The screen size on Mac may not be correct, but you can make the window to "full" screen.

Here is a shorter E-prime version of the ANT with double cue condition and neutral target condition omitted. You can download the short version.