proper arabic font

I’m currently doing localization for a game in arabic and the problem is that all the arabic letters are being display like individual letters and I was told that they need to be merged together. I will provide an example. The question is can you tell me what font to use or what? For the localization I’m using this

here is the picture :

note this was done in Photoshop by a designer.

Hi @Kulgann,
I am here in a Arabic state working on arabic texts i found an assets that helps me to fix the problem the same as you faced.Here is the link Unity Asset Store - The Best Assets for Game Making
also try to use good and Arabic support fonts,

Arun K

Is this asset still available?