Hardware folder missing (again)

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Hi everyone. Googling a bit, I see this is a recurrent issue, where some Arduino folders are missing, and here I am, with the same problem and not finding the solution online.
I had the 1.8.19 IDE version installed from the Microsoft Store. I read that those install in a very restricted folder and suggestion was to uninstall it and use the installer from the arduino.cc site.
So now I'm with version 2.2.1 and I can find the installation folder, finally, in the Program Files folder. But that Arduino IDE folder, only contains folders locales and resources:

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Folder Users<myuser>\AppData\Local\Arduino15 also doesn't contain the hardware folder either:

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Where else do I need to look?

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Why not to create this folder yourself?

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This is expected, not an issue. A copy of the "Arduino AVR Boards" platform was included in the Arduino IDE 1.x installation. That is not done with Arduino IDE 2.x. Instead, it uses the Boards Manager infrastructure to install the "Arduino AVR Boards" platform. This means the platform is located under the standard folder for all platforms installed via Boards Manager, here:

C:\Users\<username>\AppData\Local\Arduino15\packages\arduino\

(where <username> is your Windows username)

:exclamation: If looking for it with your file manager or command line, note that the AppData folder is hidden by default. On Windows "File Explorer", you can make it visible by opening the "View" menu, then checking the box next to "☐ Hidden items".

You might get higher quality assistance if you provide a detailed explanation of why you are looking for this folder. Except for in some rare advanced use cases, it is best not to manually modify anything in that folder. Some low quality or outdated tutorials will instruct you to make modifications there even though there are far superior ways to accomplish the same thing.

Of course if you are only interested in looking at the contents of the folder to understand the code or even use the tools directly then that is completely understandable.

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Thank you @ptillisch. I have another topic open where I mention that I can't put my Mega 2560 into DFU, and reading about it I think I might have to update the 16U2 firmware, for which I will need to run some avrdude commands, and I've seen those are pointing at the hardware\tools\avr folder

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I see, this one:

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