If you want to install urdu keyboard in your computer.Then download first from the link given below.
Extract the Download folder and install Phonetic.msi
After confirmation message “Phonetic has been successfully installed” go to control panel
Double click “Regional and Language options” icon.
Press “Language” tab.
Press “Detail” button.
Press “Add” button
Select “Input Language:” Urdu, and “Keyboard layout/IME:” Phonetic
Now at the end of your taskbar, you can see a language option bar here you can jump to urdu