Many downloads claim to be "SP4 integrated," but if you have a base X6, you must manually install:
Revamped to make finding and inserting special glyphs and symbols more intuitive. CorelDRAW Graphics Suite X6 16.4.0.1280 SP4 -64 Bit
Corel’s early cloud attempt. While largely deprecated, SP4 ensured local content libraries remained functional. Many downloads claim to be "SP4 integrated," but