Question: how to use nzb files?
Answer: Step 1: Install GrabIt. Download and install GrabIt from the Fast Usenet members area. ... 
Step 2: Search. ... 
Step 3: Save File. ... 
Step 4: Import NZB File. ... 
Step 5: Add NZB. ... 
Step 6: Download Starts. ... 
Step 7: Completed Files.