EOS wallet applications are used to connect to decentralised applications like eosfinex. They allow you to store your EOS account and associated keys, manage your account and keys to connect to the EOS blockchain network, manage tokens and EOS network resources, and exchange value. eosfinex currently supports the wallets Anchor and Scatter.
Downloads for Anchor versions compatible for Windows, MacOS, Linux and iOS can be found at https://greymass.com/en/anchor/
Downloads for Scatter wallet versions compatible for Windows, MacOS and Linux can be found at Get-Scatter.com