Cognitive.Service.Image.OCR.Handwritten.Text (nuget): First, subscribe on Microsoft Azure. Microsoft          gives a 7-day trial Subscription Key https://azure.microsoft.com/en-us/try/cognitive-services/ . We can use that Subscription key for testing purposes.          you need to log into the Azure Portal with our Azure credentials. Then we need to create an Azure Computer Vision Subscription Key in the Azure portal. 		 		Click on "Create a resource" on the left side menu and it will open an "Azure Marketplace". There, we can see the list of services. Click "AI + Machine Learning" then click on the "Computer Vision" 		Provision a Computer Vision Subscription Key
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