If you'd like to download Anki to your computer (and you should!), go to:
Once you've got it up and running, it'll just be blank, without any cards inside. This is fine, we just need to import them. Click "File, Import", then load the two files below. That'll give you hiragana and katakana to be getting on with.
We'll be building up lists of vocabulary and kanji as the course goes on, so it's a great way of keeping up with things.