Installing Brushes
I hope you are able to follow my instructions :) I use a German version of Paint Shop Pro, but I wrote down the English translation where necessary. Have fun!

See picture 1
Open the file "brushes" as shown above.

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Click on Open and select the brushes from one folder and click on ok to add them to the window.

See picture 3
If you have only one brush or you only want to add one brush, click on "add". If you want to add all brushes that are shown in the window, click "add all". Now click on "OK".

See picture 4
And here it is, your brush :) Remember to give credit to every brush you use, if it's not yours!