First, make sure you've linked your Flying Club account in the Rewards Lounge.
Points are awarded when your friend completes the following steps:
1. Applies for and is accepted for a Virgin Atlantic Credit Card
2. Downloads the app and enters your referral code within 60 days of account opening
3. Spends a minimum of £3,000 within 90 days of account opening
If the above criteria are met, you'll get 5,000 bonus Virgin Points. Your bonus points will show in your app 5 days after your next statement is available.