You can directly download themes from your ssh or putty. 1) Go to themes directory of your drupal installation. E.g:- cd sites/all/themes 2). Download archive using wget command: wget http://ftp.drupal.org/files/projects/acquia_marina-6.x-2.0.tar.gz 3). Uncompress archive: tar zxvf acquia_marina-6.x-2.0.tar.gz 4). Delete/Remove archive: rm -rf acquia_marina-6.x-2.0.tar.gz 5)Confirm your theme is there:- ls -a Also check and enable it from:- admin/build/themes Note: the theme acquia_marina-6.x-2.0.tar.gz is taken here as example please check the current version and or substitute with your preferred module. You can do same for themes also.