If you want to use this program, you need to have Java installed. Java is a free framework and allow you to run Java programs.
Many users already have it, but if you don't or you are not sure go to:
http://java.sun.com/javase/downloads/index.jsp
and download this: Java Runtime Environment (JRE) 6 (32bit!)
If Java is ok, you can download Party Tools here:
Get Party Tools 4.0 (8343 times downloaded)
PartyTools will work 30 days fully functional. After that you have to buy a licence for $30. The licence is valid for 2 computers!
After download, extract all files and double click on PartyTools.jar.
When your java is installed properly, the program will start. Sometimes jar files are associated with other programs like packers. Then you have to re-associate it to "javaw.exe"
If you running Vista or Windows 7 you HAVE TO read this:
Information for Vista and Win7 users
And please make sure that you use the original english PartyPoker Software. Download here