http://www.abstractfonts.com/fonts/

go to this site, download the fonts you want, and save them in a folder on your desktop...

unzip/extract the files that you downloaded, by right mouse clicking on the file and selecting unzip or extract...

Open "my computer", then "C drive" then "windows" then "fonts"

drag and drop the extracted files into the "fonts folder"

restart Photoshop, and you should be able to use the fonts that you downloaded.