Start a search in WebSearch window.
After search is finished or you've interrupted the search:
Check from the list the comics you want to import in your library by clicking on the appropriate checkbox.
or
Select one or more comics from the web search window list then CTRL+Click into the list. A menu will appear. Select
Check(s)
to check all selected comics from the list.
Click into the appropriate toolbar icon to start importing
If in the list appears the icon

, it means the corresponding comic is in process.
If in the list appears the icon

, it means the corresponding comic has been downloaded correctly.
If in the list appears the icon

, it means an error occures while trying to retrieve informations for the corresponding comic.