Install MathWallet https://mathwallet.org
Switch Network to ‘Arbitrum’, choose wallet
(If you need Arbitrum MathWallet guid, please check here)
Search for MCDEX in the MathWallet App Store-Arbitrum and move the mouse to the QR code
Click the menu in the upper right corner of the wallet-scan
(MCDEX only supports use in areas permitted by law)
After scanning the code, the website will automatically connect to the wallet