At least 64MB of available RAM. At least 111MB of free space. XP, Vista, 7, 8, 10. 32-Bit or 64-Bit OS (ARM not supported).

At least 64MB of available RAM. At least 159MB of free space. 10.6, 10.7, 10.8, 10.9, 10.10, 10.11. 64-Bit OS only (32-Bit and ARM are not supported).