Officially, the seller must ensure that the scope of delivery is complete.
However, contact support and provide them with the invoice (or other suitable proof of purchase) and you will receive the codes.
If you use e-mail support, please note that Cubase 13 has recently been released. The response may take 1-2 weeks. They have an in-house support team. Competent, but quickly overwhelmed.
100%. The license is stored on the USB-eLicenser. As long as it’s connected to the computer, on which want to use the software, you are good to go.
Updates are always available for users with existing licenses. There is a cheaper update option from Cubase Artist 8.5 to Cubase Artist 13.
Since Cubase 13 moved to their new license system, the USB-eLicenser is no longer required. You can have the license active on up to three computers (without having to carry around the USB dongle).