Suiet | Sui Wallet.
1. If you haven't installed the extension, follow these steps: what-is-suiet-sui-wallet-how-to-use-sui-wallet
2. Get some testnet tokens: https://suiet.app/docs/how-to-get-sui-tokens
How to upgrade extension: how-to-upgrade-extension
Suiet Developer page: Developer
Suiet wallet kit: one kit helps you connect all Sui wallets https://kit.suiet.app/docs/QuickStart
Suiet wallet adapter: https://github.com/suiet/wallet-adapter