• Navigate to the SharePoint Online site where you want to restore deleted items from the recycle bin. 
• Click on Settings gear
• Choose the "Site Contents" link from the site settings menu. 
• On the Site Contents page, click the Recycle Bin link, located to the top-right section.
  
  

The recycle bin contains the 

Name - Date deleted - Deleted by - created by and the original location of each deleted document (for the past 90 days)

• Select the item you want to restore & click the restore button.
  
  

The item will be restored into the original location.