fix broken links

Author: PhilKang0704

learn-pr/azure/aks-application-autoscaling-native/includes/1-introduction.md

@@ -18,7 +18,7 @@ By the end of this module, you're able to:
 
 - Familiarity with Kubernetes concepts. If you're new to Kubernetes, start with the [basics of Kubernetes](https://azure.microsoft.com/topic/what-is-kubernetes/?azure-portal=true&WT.mc_id=deploycontainerapps_intro-learn-ludossan).
 - Familiarity with [Git](/contribute/git-github-fundamentals?WT.mc_id=deploycontainerapps_intro-learn-ludossan) and [GitHub](https://github.com).
-- An active Azure [subscription](https://azure.microsoft.com/free/services/kubernetes-service/?azure-portal=true&WT.mc_id=deploycontainerapps_intro-learn-ludossan).
+- An active Azure [subscription](https://azure.microsoft.com/products/kubernetes-service).
 - Ability to use the [Azure CLI](/azure/aks/kubernetes-walkthrough?WT.mc_id=deploycontainerapps_intro-learn-ludossan).
 - Ability to create a Docker container. If you're new to Docker, start with the [intro to containers](/training/modules/intro-to-containers/?WT.mc_id=deploycontainerapps_intro-learn-ludossan).
 

learn-pr/azure/aks-manage-application-state/includes/1-introduction.md

@@ -15,7 +15,7 @@ By the end of this module, you'll be able to:
 - Familiarity with Kubernetes concepts. If you're new to Kubernetes, review the [basics of Kubernetes](https://azure.microsoft.com/topic/what-is-kubernetes) before you begin.
 - Familiarity with [Git](/contribute/git-github-fundamentals) and [GitHub](https://github.com).
 - Familiarity with [Docker](https://docker.com) and Docker images.
-- An active Azure [subscription](https://azure.microsoft.com/free/services/kubernetes-service).
+- An active Azure [subscription](https://azure.microsoft.com/products/kubernetes-service).
 - The ability to use the [Azure CLI](/azure/aks/kubernetes-walkthrough).
 - The ability to create a Docker container. If you're new to Docker, review the [introduction to containers](/training/modules/intro-to-containers/) before you begin.
 

learn-pr/azure/aks-secrets-configure-app/includes/1-introduction.md

@@ -15,7 +15,7 @@ By the end of this module, you're able to:
 - Familiarity with Kubernetes concepts. If you're new to Kubernetes, review the [Kubernetes basics](https://azure.microsoft.com/topic/what-is-kubernetes).
 - Familiarity with [Git](/contribute/git-github-fundamentals) and [GitHub](https://github.com).
 - Familiarity with [Docker](https://docker.com) and Docker images.
-- An active Azure [subscription](https://azure.microsoft.com/free/services/kubernetes-service).
+- An active Azure [subscription](https://azure.microsoft.com/products/kubernetes-service).
 - The ability to use the [Azure CLI](/azure/aks/kubernetes-walkthrough).
 - The ability to create a Docker container. If you're new to Docker, start with the [Introduction to containers](/training/modules/intro-to-containers/).