Is this enough ram to play crazy-craft?

My installed ram is 2.00gb (1.88gb use-able) But next to 2.00gb says 1.88gb use-able.

The recommended ram required for crazy-craft is 2.00gb.

But i only have usable ram 1.88gb, will this still be OK?

( Minecraft Crazcraft Gaming Ram )
Added (1). My installed ram is 2.00gb (1.88gb use-able)

But next to 2.00gb says 1.88gb use-able.

The recommended ram required for crazy-craft is 2.00gb.

But i only have usable ram 1.88gb, will this still be OK?

( Minecraft Crazcraft Gaming Ram )

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