How do I install patches!

Questions
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1

I’m new to this website, and I really want to try the Revival Stone gimmick for the game I’m working on, but I have no idea how to add it! How can I learn to get better at installing patches?!

Is a ‘Revival Stone’ item possible? - Questions - Fire Emblem Universe

2

ah a good patcher is macrobledo or Unipatcher try those but if you wanna try adding something febuilder is where you go sadly that is kinda computer only there should be something here that gives a guide on getting febuilder