Only If Express Vpn is blocked and comes out "suspended account" Message, then unistall and reinstall Express Vpn, otherwise simply signout in option and insert new code
Express Vpn Activation Code (valid until Aug 16, 2019) [with autorenews]
When the maximum connection limit has been reached with the old version, The message "Too many Connections" will come out. Press the Back to Home button at the bottom and disable your Internet connection, Instead with the "Express Vpn " latest version will be the messagge "Connection Limit Reached", simply click on "Cancel", Disable your Internet connection and follow the next steps.
Now click on the central button to connect to the desired server, Express Vpn will try to connect. At this point reactivate your Internet connection