Installing GRBL issues with IDE 2.0.4

I have spent 2 days reading issues about installing GRBL library and am completely frustrated.
I followed several users comments ie copying the grbl folder within grbl master file directly to the Arduino library however each time I go to Sketch/include library/Add Zip library... and direct it to the folder, the Verify comes back with Complition error.exit status 1
Here is part of the code:


I have also tried going though File/Examples/grbl/grblUpload.ino and get the same error.
I am using an Arduino Uno Wifi Rev3
Can anyone please helppppppppppppppppppppppp

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Hi @paymentupfront

I'm not familiar with that board. Please post a link to where you purchased it from.

Have you done this per the GRBL wiki page(in regards to compiler path).
GRBL WIKI

Are you sure you didn't accidentally select "Arduino UNO WiFi Rev2" rather than "Arduino UNO" or "Arduino WiFi"?

The "Arduino UNO WiFi Rev2" uses a different processor and is not compatible with grbl. The error you are getting shows that one of the expected processor registers is not defined on the processor you have selected.

Thank you Johnwasser and everyone else. My appologies to everyone, I am using Arduino Uno Wifi Rev2 not Rev3
I was unaware that the Arduino Uno Wifi Rev2 didn't support GRBL
GRBL is an overkill for what I need, so I will go a different path.
Thanks again.

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