An Intel 1500 CPU is required at a minimum to run Mahjong Valentine's Day. Provided that you have at least an NVIDIA GeForce 510 graphics card you can play the game. Mahjong Valentine's Day system requirements state that you will need at least 512 MB of RAM.
Mahjong Valentine's Day will run on PC system with Windows XP or higher and upwards. Additionally it has a Mac version.
Minimum System Requirements
CPU
CPU: 1.0 GHz
RAM
512 MB RAM
OS
OS X 10.11.6
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