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