Do you expect us to be able to read that screenshot ?!
Click on menu and type in Desktop
It seems that you installed Linux Mint in Arabic. Maybe you should type سطح المكتب instead of Desktop. Otherwise, you can use Bing/Google translate.
Thanks @MatsuShimizu and welcome to linux.org
Tariq is using Google Translate, as mentioned here
but there are some hurdles to be overcome yet.