To install DBIx::DataModel::Schema::ResultAs::Firstrow, simply copy and paste either of the commands in to your terminal
cpanm
cpanm DBIx::DataModel::Schema::ResultAs::Firstrow
CPAN shell
perl -MCPAN -e shell
install DBIx::DataModel::Schema::ResultAs::Firstrow
For more information on module installation please visit the detailed CPAN module installation guide.