The Nano and the HW.1 don't support Zcash.
Zclassic and Zencash are not supported: you can only manage Zcash coins on Ledger's products.
To create and launch your Zcash wallet:
1. install the Bitcoin (and altcoin) application on your computer via your Google Chrome browser
2. install the Zcash application on your device via the Ledger Manager
Connect your Nano S or your Blue, enter your PIN, and stay on the dashboard.
Click on the green bottom arrow icon near the Zcash logo
Confirm the installation when required on your device.
Quit the Ledger Manager
3. Once these apps are installed, to open your Zcash account:
For each sending transaction, the Ledger device will ask you to verify the details of your transaction (amount, fees, address) before confirming. Press right button on the Nano S, tap on the Blue.
Zcash works on the Bitcoin wallet as they are both tracked on the same blockchain.