First you will want to install your font onto your device. Below are links with guides to installing fonts onto the device you use.
After installing the font you will want to restart and open up you Design Space canvas and follow these steps:
1. On the left hand panel there will be a text icon click on this
2. Go to the top and you will see a drop down menu this is where you will find your font that you downloaded
3. In the box that appears you can type out your font
4. On the top panel there is also a spot to adjust the spacing of the font