How do i download genomes and save it as repository in PP

Hi

i want to installSalmonella_enterica_serovar_Typhi_CT18_uid57793/ genome. i tried with download NCBI sequences" component, but failed.

1. i would like to know as which component can i use to download genomes

2 if i had already downloaded a reference sequence, how do i create a repository for it. and how do we add features to it