Many ex-Corel users have switched to by Serif. It’s a one-time purchase, usually $69.99 (no subscription). Advantages over CorelDRAW X7:

CorelDRAW X7 remains a capable vector design tool for illustrators, logo designers, and layout artists. One feature users sometimes ask about is the “Index” — typically referring to indexed color handling, bitmap-to-vector tracing indices, or the program’s object indexing/searchability. This post explains the possible meanings, why they matter, and concrete tips to use them more effectively in CorelDRAW X7.

If you have a legitimate copy and lost your key, check your email for correspondence from cleverbridge or log in to the Corel Knowledge Base to retrieve it.