SITE: https://www.pcloud.com
Step 1: Register
Step 2: Verify your email
Step 3: Go to https://www.pcloud.com/promo.html
Step 4 : Use The Below Promo Codes :
Enter one by one of the following codes to get 500GB for up to 12 Months for free:
Code #1: DROPBOX2PCLOUD
Code #2: 3MONTHS500GB
Code #3: PCLOUDFORMUSIC
Code #4: PHOTOMANAGERS
Enjoy!! :D