Coreldraw: For Mac 10.13.6
If you need native file compatibility on 10.13.6, use Boot Camp to install Windows or try Inkscape (free, opens .CDR files with limitations).
For users restricted to macOS 10.13.6, the following strategies are recommended to maintain a functional workflow. Coreldraw For Mac 10.13.6
When working with heavy vectors, turn off → Live Preview to reduce screen tearing. If you need native file compatibility on 10