To install Encode::compat::MIME::Header::ISO_2022_JP, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Encode::compat::MIME::Header::ISO_2022_JP
CPAN shell
perl -MCPAN -e shell
install Encode::compat::MIME::Header::ISO_2022_JP
For more information on module installation, please visit the detailed CPAN module installation guide.