Alternatively, there’s an Add Wallet button at the bottom of your list of currencies.
Clicking on either of those buttons would open the same menu:
If EOS, BTC, ETH, and XRP do not interest you, you can select a currency from the drop-down list instead:
You can enter the coin’s symbol/ticker or name into the search bar to find it quicker.
After you’ve picked the currency you want, click Create: