Support Forum 28 May 2019 No Comments admin Support Forum › Tag: upgrade versionFilter by category:About EvoStreamGeneralIdea ShopInstallation and Basic OperationIntegration and CustomizationQuestionsUsage and FeaturesHow can I upgrade or downgrade my EMS installation to version 1.7.1?answered Don answered 7 years ago • Installation and Basic Operation2332 views2 answers0 votes Continue Reading –