On the Wallets page, right next to your estimated balance, is a + sign button.

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: