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