* Upgrade existing account through referrals bonus, each referral adds 0.5 GB to your account and you can get up to 16 GB (initial 2GB + 16GB bonus). All referrals will be finished in two weeks. You need to send me your referral link. * New Dropbox with already upgraded to 18 GB through official referral bonus. You will receive your login information no later than 12 hours. You can change login name and password.