On a Mac

<== Double click on the Party Pro installer icon.
<== You will be asked to enter your password to open the Party Pro installer file.
Your password was sent to you via e-mail immediately after you ordered Party Pro.
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On a PC
<== Double click on the Party Pro installer file that is on your desktop.
<== The Party Pro installer icon may look like this.
<== You will be asked to enter your password to open the Party Pro installer file.
Your password was sent to you via e-mail immediately after you ordered Party Pro.