1 – Open the Kicad’s mananger page
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2 – Select the “plugin and Content Mananger”
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3 – Check the “Manage Repository”:
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Select “+” to add a new repository and paste the follow url:
https://raw.githubusercontent.com/Bouni/bouni-kicad-repository/main/repository.json
4 – Select “OK”
5 - Click, again, in “Manage Repository”: and select “Bouni’s Kicad Repository” has been added as shown in the image and press “Save”.
6 - Kicad JLCPCB tools should be displayed, so click “Install”
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7 - Then click “Apply Pending Changes” at the bottom right of the screen
8 - Installation will begin and will take a while to complete, so press “Close” when it is complete (may vary depending on environment)