Download MathWallet: https://www.mathwallet.org
Create/import the Polkadot wallet
Switch to Polkadot wallet:
Click Create Wallet (Please store carefully mnemonics phrases)
When mnemonic verification is completed, the creation is successful
Polkadot DApp
More Guide:
How to use Polkadot Staking tool?
Polkadot Staking Tool Operation Video
For more questions, Contact us on Telegram: https://t.me/mathwallet