ppsspp/UWP/PFXKEY_NOTE.md

How to Update the PFX Key for UWP Signing

This guide explains how to generate and update the PFX (Personal Information Exchange) certificate used to sign the PPSSPP UWP app.

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Prerequisites

• Visual Studio installed with UWP development workload
• Access to the project solution file

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Step 1: Open the Package Manifest

1. In Visual Studio, open the PPSSPP UWP solution
2. In Solution Explorer, navigate to the UWP project
3. Double-click on Package.appxmanifest or PackageGold.appxmanifest to open the manifest viewer

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Step 2: Go to the Packaging Tab

1. Click on the Packaging tab in the manifest viewer
2. You'll see the current certificate information displayed here

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Step 3: Choose a Certificate

1. Click the Choose Certificate... button
2. A dialog will appear with several options:
   • Create... - Create a new self-signed test certificate
   • Select from Store... - Choose an existing certificate from Windows Certificate Store
   • Select from File... - Browse for an existing .pfx file

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Step 4a: Create a New Test Certificate

If creating a new self-signed certificate:

1. Click Create...
2. Enter a Publisher Common Name (e.g., CN=YourName)
3. Optionally set a password
4. Click OK

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Step 4b: Select an Existing Certificate

If using an existing .pfx file:

1. Click Select from File...
2. Go to your .pfx file location
3. Enter the certificate password if prompted
4. Click OK

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