With any other Windows program, you can just minimise the Font to your Windows Task Bar and it will show in your PSP program without installing it
With Windows 7, this is not the case, so you need to use a Font Program like Font Viewer or Font Runner to be able to use your Fonts in PSP without installing it
These are both free programs
Font Viewer
Font Runner
Using Font Viewer
Open the font Program
This is the window that will open up
Now click on Not installed fonts
When this window opens up, find your folders that you have your Fonts saved in
Highlight the Font you want to use
Now Minimise the Font Program to your Windows Task Bar
Back in your PSP Program, it should now show up in your Text Toolbar
If it doesn't then you need to go back to your Font Program and Click on
Install font temporarily
This will only install the Font while you need it
When you close your Windows and reopen it, the Font will not be in there anymore
Using Font Runner
Open the Font Runner Program
With this one, you just select the folder that holds your Fonts
In the right hand Panel, you will see every Font that is in that folder
Click on View in the Menu Bar
Make sure there is a check mark beside
Share fonts with other applications
Now when you highlight the Font you want to use, it should show up in your PSP Program