Running the of 16.4.0.1280 allows the software to utilize more than 4GB of RAM. In practical terms, this means: No more lag when working with hundreds of layers.
If you are looking to maximize the potential of this specific version, here is everything you need to know about its features, the importance of the SP4 update, and how it handles modern design demands. Why Version 16.4.0.1280 Still Matters coreldraw graphics suite x6 16401280 sp4 fixed 64 bit
Mastering Your Workflow: A Deep Dive into CorelDRAW Graphics Suite X6 (v16.4.0.1280) SP4 Running the of 16