how to write another language in your computer

مرحبا! وقد فعلت أشياء أكثر من 20 في بلدي بلوق!  oh hey guys!!!  this is arabic. it is the arabic for................  wait a minute i need to tell you how to write arabic.
                             
                                               1. this works on all kind of computers.
                                               2. think about which language you want
                                               3. you have to find any randome website about the language
                                               4. it should have the language on
                                                5. highlighte your language(which bit you want)
                                                6.right click on the blue part
                                                7.press copy
                                               8. think of a place where you wanna put it
                                                9.right click
                                                10.press paste
                                                 11.enjoy!
           

if you dont under stand step 4 for example i went to a arabic website and there was some arabic and i couldnt read it  if it works.... im the pest  :D