Higher-tier keys (Business/Medium Business) allow for commercial use and installation on multiple machines. Official Licensing Options
Usually, keys are version-specific. A key for Ultra Screen Saver Maker 7.0 may not work on 9.0. Always download the version corresponding to your purchase. Ultra Screen Saver Maker Key
You should see a confirmation that your copy is now registered to you. install on 1 PC
Licenses are one-time fees and vary based on how many computers you need to cover: License Type Home use; install on 1 PC, output on up to 10 PCs. Small Business Ultra Screen Saver Maker Key
: Depending on your license level, you can distribute your creations for commercial or non-profit use.