You'll need to download FExplorer too!
Now here is how you change the font.
You dont need to do this bit but i do as i rotate my fonts,now with FExplorer...
Go to the E drive,open that and make a folder(options>file>make dir>and name it 'fonts',this is where you can save your font/s.
Now if the font is in a zip file extract it to memory card>fonts.
Open up Font remover and it should say 'do you want to delete font?
Click yes but DO NOT restart your phone as it instructs you to.
Now re-open FExplorer and go to your E-drive>fonts>and copy(options>edit>copy)
Now exit the E-drive and go to the C-drive>system,then make(options>file>make dir) a folder called 'fonts',paste(options>edit>paste) the font in the 'fonts' folder
Exit the C-drive,then go to options>phone>restart which will re-boot your phone and your desired font will be applied