Step 1. Make Sure Your USB is Plugged Into Your PC and its Empty
You're resigning someone else's save to your PSN profile using Save Wizard. With that being said, there's no reason to have anything on your USB drive since the Save Wizard will create the save file under your PSN profile from scratch!
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Place the 'other' file in an easy-to-find location on your PC (like the desktop) N.B The file MUST be zipped using Winrar or else it Will NOT be recognized by the Save Wizard! (.zip files ONLY! .rar files WILL NOT BE RECOGNIZED!)
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Step 2. Switch to the 'Resign' tab on the Save Wizard UI and import the 'other' Save
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Step 3. Assign the 'other' Profile to Your Profile using Save Wizard
N.B You must have the profile registered before you proceed!
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VOILA! That's it! You Have Successfully Resigned a Save to Your Profile!

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