To write in Urdu Nastaliq font please follow the next steps:
1. Download the Jameel Noori Nastaleeq font from the link below
http://www.fontsaddict.com/font/jameel-noori-nastaleeq.html
or you could download the font from other sites.
2. After downloading the file, Right mouse click on the font file Jameel Noori Nastaleeq.ttf and run the command Install from the menu.
3. Write your Urdu text in Urdu editor Pro and copy\paste to MS Word
and in MS Word select all the text and use Jameel Noori Nastaleeq as shown in the link below
https://www.youtube.com/watch?v=zWA_3KaDqRw