Major changes (motherboard, CPU, hard drive) will invalidate the activation code. You will need to contact ZWSOFT support to deactivate the old machine and generate a new code.
On an internet-connected computer:
Licenses are tied to the specific year (2020). A 2022 code will not work on a 2020 installation. 🛡️ The Risks of "Keygens" and "Cracks" zwcad 2020 offline activation code