Add New Font Temporary

Add a module to your project (In the menu choose Project -> Add Module, Then click Open)
Add 1 Command Button to your form.

Insert this code to the module :

Declare Function AddFontResource& Lib "gdi32" Alias "AddFontResourceA" (ByVal lpFileName As String)
Declare Function RemoveFontResource& Lib "gdi32" Alias "RemoveFontResourceA" (ByVal lpFileName As String)

'Insert this code to your form:

Private Sub Command1_Click()
Dim retvalue As Long
'Replace all 'MyFont' below with your font file.
retvalue = RemoveFontResource("c:\MyFont.ttf")
Command1.Caption = "uninstall"
End Sub
Private Sub Form_Load()
Dim retvalue As Long
Command1.Caption = "uninstall"
retvalue = AddFontResource("c:\MyFont.ttf")
Command1.FontName = "MyFont"
End Sub