Build 1610843 is frequently cited in support documentation as the final, most stable release of CorelDRAW X6 before Corel shifted focus to X7. Users who hunt for this exact build are typically looking for:
CorelDRAW Graphics Suite X6 (Build 16.1.0.843) 64-bit stands as a testament to a time when software was bought, not rented. It was a robust, professional-grade tool that solved the memory limitations of its era. coreldraw graphics suite x6 1610843 64 bit