Create a self-signed certificate
Create a self-signed certificate is required to sign and open the app. This step is only required once.
In Finder -> Locate and open KeyChain Access

In the top menu -> KeyChain Access -> Certificate Assistant -> Create Certificate

In the Certificate Assistant set this data and click Continue
Name: GameLauncher Identity Type: Self Signed Root Certificate Type: Code Signing Let me override defaults: (checked)

Set the Validity Period to 2000 days
In the Certificate Information
Email Address: with your email Name: GameLauncher Organization: GameLauncher inc Country or Region: your country

Key Pair Information -> Continue

In Key Usage Extension set this data:
Capabilities Signature Certificate Signing

Extended Key Usage Extension -> Continue

Basic Constraints Extension -> Continue

Subject Alternate Name Extension -> Continue

Specify a Location For The Certificate -> Create

Certificate created! Now locate and Copy the SHA-1 at the end of the file

In the folder open with a text editor Paste the SHA-1 in the SIGNING_IDENTITY (Remove the spaces) and Save the file

Proceed with the next step.
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