Gmetrix is the official training platform you can use to train to be certified on Microsoft products such as Word, Excel and PowerPoint.
Using GMetrix you're able to practice tests there are exactly the same is the actual exams you need to sit pass your certified Microsoft exams.
To get GMetrix you need to download the software from Software Centre.
You can then choose to “Start a New Test” and choose the product you want to train on (most people do Word).
There is a guide available in the menu under your name on the top right or you can go through this interactive guide here. Make Sure you can master the practice tests here BEFORE you try to take the actual exam.
Below are the details you need for when you want to sit the actual exams
The real test happens on a platform called Certiport – below are instructions you should follow to create an account before you go to do the exam.
Creating a Certiport account
These instructions are for when you do the exam:
Taking an exam: