Download MathWallet
Install Extension Wallet:
https://mathwallet.org/en-us/#extension
When the installation is complete, click the Extension icon in the upper right corner to enter Settings
Set up password
Create Arbitrum wallet
Click on the top right corner to switch the network
Click + to create/import/connect wallet
After setting the wallet name, click Confirm
Copy the mnemonic and save it properly. Click complete to finish wallet creation.
Web wallet and DApp store
Click on the Web Wallet/ DApp store to start to browse Dapp store
Click to use DApp
Arbitrum faucet:
https://swap.arbitrum.io/#/swap