Adalite is an online wallet which means you do not need to download anything. Be extra carefully regarding keylogger-malware. Using a ledger hardware device (Tresor / Ledger) can be considered.

Step by step guide

1. Go to https://adalite.io/
2. Open your wallet with your seed words or make a new wallet. If you make a new one write down your seed words carefully. Do not save them on your computer.
3. Go to the staking section an choose by ID feaf6e416cd79649df5a7575b240b5740d7735a80a8f688e8b73bf06