Help with installation

hi, im new here and i want to know how install the 2.5.5 version of sen2cor, i try to install but at the moment to make the correction, have a lot of ERROR.
please help.

Thanks
gd

Please have a look at this post,

and this post,

thanks for the help, ultimate thing, how can verify the archive of exit and check if the atmospheric correction was successuful?

Please take a look at this post