On your account management Web page, select Buy online > Subscriptions/Extras > Large Scale Recovery.
In Tariff, select Acronis 1 TB or Acronis 2 TB. The disk capacity should be enough to hold the entire archive (a full backup and its child incremental backups).
In Qty, specify the number of licenses.
Specify the delivery information.
Click Add to add the licenses to your order.
Specify the payment details.
After the order is processed, the licenses become available on the Initial Seeding / Recovery tab.
You can purchase this Large Scale Recovery through your Acronis reseller, but Acronis recommends an online purchase to expedite the order for the fastest total restore time.