more than one computer? and dealing with duplicate files?

[sfomjs]

I am using a trial version of a Ace Utilities. 2 questions:
1-I have 2 personal laptop pc'sand 1 personal desktop PC. How do I run the Ace Utilities applications on all 3 of these computers?
2-I have been experimenting with the Duplicate File Finder and I have found thousands of duplicate .jpg and .mp3 files. Is there a way to organize the review of these files so that I don't have to review each file one at time and decide which of the duplicates to keep and which to delete?
Thanks for the help

[hari]

1. You can install it on all three. You only need to buy one copy.

2. Check the right click context menu's 'Check Mark' sub-menu. There are options like Mark all files within the folder.

[sfomjs]

Thanks for the prompt reply.
After I purchase a copy of Ace Utilities on my primary computer (a laptop that runs with Windows Vista), how to I go about installing it on my other 2 personal pc's (one is a laptop, the other a desktop, both run with Windows XP)?

[hari]

You will receive a key when you order. You can use it to register each copy after installing it on each machine.