All upgrades are handled in-app. 

If you are in the Free Trial or Standard tier and wish to upgrade you can use the following slash commands.

/eletype upgrade

If you are in the free trail you will see this:

If you are in the Standard Tier you will see this:

You can also upgrade from the Account command.
/eletype account

Need help with additional slash commands? Check out this article: Eletype Slack Slash Commands

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