Just get a cheap $30 laptop on eBay, install Linux on USB drives, separate your wallets on the different Linux installs on different USB drives, and only use those Linux installs as cryptowallets. This should solve most of the issues with malwares.
Just get a cheap $30 laptop on eBay, install Linux on USB drives, separate your wallets on the different Linux installs on different USB drives, and only use those Linux installs as cryptowallets. This should solve most of the issues with malwares.