XPS Annotator is one of its kind software that provides you various installation options. You can either install this program on your computer or you can use it as a portable version. Portable version is in fact quite useful and is appreciated by loads of people.
It is a very simple interface which makes this software easy to use. When this program is run it will show a blank screen where you can create a new document. This software is actually used as XPS reader.
The file navigation is very simple or smooth. You must download it and try it for once.