Please download the KAVA wallet in browser extension version.
https://mathwallet.org/en-us/#extension
Switch to ‘KAVA’ network

Create or enter into KAVA mainnet wallet

Click‘Web Wallet’ to enter into Web Wallet

Click ‘Login from Math Wallet browser extension’

Choose a KAVA wallet

After confirmation,you can check the amount in KAVA wallet and operate transaction etc

Click ‘DApp Store’ to check more KAVA mainnet DAPP

If you have more questions
Add into telegram group
Email: hello@mathwallet.org
Working hour:Monday to Friday10:00-19:00