To make transactions on substrate blockchain (outside EVM), you need to have a Polkadot-js wallet which supports SS58 addresses, and ed25519, sr25519, ecdsa and ethereum signatures. The wallet extension is available for Chrome and Firefox. The download link is here
- Select Accounts from the Accounts dropdown on the Navbar.
- Click on the send button, next to the wallet injected by Polkadot-js wallet extension
- Enter recipient address, transfer amount and click on Make Transfer.