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Mark Bruso
Sign Up Developer Org with Winter '19
Is it possible to sign up for Developer Org with the Winter '19 release?
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Don't have an account?
Register today for early access to the brand-new features. Sign up, and we’ll send login information for your new Winter ’19 trial account.
You can sign-up from here https://www.salesforce.com/form/signup/prerelease-winter19/
Let us know if this will help you