TUN10,
1.
Sigma License User. After the license expires, you just need to purchase a new one, and it will appear in your
user account. Your Sigma virtual serial number will remain the same.
Here are more frequently asked questions.
2.
Sigma dongle/box user. If you have a Sigma box or dongle, it is more cost-effective for you to stay with this product, as the
annual activation is cheaper in this case.