To install DBIx::Class::ResultSource::MultipleTableInheritance, copy and paste the appropriate command in to your terminal.
cpanm
cpanm DBIx::Class::ResultSource::MultipleTableInheritance
CPAN shell
perl -MCPAN -e shell
install DBIx::Class::ResultSource::MultipleTableInheritance
For more information on module installation, please visit the detailed CPAN module installation guide.