Big Sur update error while installing

[NinoPereira]

Hi, guys

I´m trying to install Big Sur on a MBP mid 2012, SSD and I get the folllowing message as soon as it starts to install the OS.
"An error occurred applying the software update". Does anyone lnow how to solve this error? What should I do?

Thank you!

 

[Stefdar]

I do believe your Macbook is unsupported for Big Sur.

 

[Vinfen]

Yes I have the same issue. I have a MacBook Air 2015. Can’t get out of it