With the help of Pak Urdu Installer, you can type Urdu anywhere on computer and internet, but if you have some old Inpage Urdu documents, convert those old style documents to advance form of Urdu because "Unicode Urdu" is the real face of Computer's Urdu.
With this converter tool, you can convert text from InPage to Unicode Urdu and then copy/paste Unicode Urdu in any major software like Microsoft Word etc.