To gift an individual Steam key from your purchase page follow these steps:
- Navigate to your profile/download page where you will find the "Your game keys" section. Click on the gift icon located on the right of the Steam key you want to gift.
- You will get a special gift link to provide to the recipient. Be sure NOT to redeem the gift if you open the link, just copy the URL and send it to the recipient.
- When the recipient redeems the gift, upon e-mail confirmation he will get a download page with the single key you decided to gift to him.