You can adapt the Categories and Sub categories to your personal preferences. To do so, select "Options" from the "Tools"-menu.
The Options-window will appear. Select the tab Categories...here you can add as many categories and sub categories as you want.
To change or delete a specific category, mark the item in the list and click the corresponding button.
...In the options-window you can also select different currencies for your accounting book.
Choose a currency in the drop-down menu and select whether the software should always find the daily-current exchange rate by itself (from the European Central Bank via the internet) or if you want to insert a "fixed" exchange rate to your base currency.
From now on, the selected currency will be used for any new income or expense items...