If you already got the previous Warcraft Version Switcher, you only need to add the 1.24e.zip package and put it on your WVS folder
Download: http://gotupload.com/4zy7prb4eq7f/dota360.com_TFT_Version_1.24e.zip.html (32.4MB)
http://www.mediafire.com/?bbdob7lublfw8l6