Downloading source code to make a customized bot
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Open up the Azure Portal and choose your Web App Bot resources.
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Select Build, then click Download Bot source code

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Select Yes to include app settings.

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When download is ready, click Yes to download the file. This will download a zip file to your downloads folder.

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Click Home at the top left corner.

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Locate the Resource group for your Bot assets. It should be in the Recent resources list. Make sure you select the Resource group object type.

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You should see all the assets required for your Bot. Click on the App Service object.

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Click Get publish profile. This will download a file to your downloads folder.

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Copy the zip file (from step 4) from your downloads folder to a new directory (you can name that directory Covid).
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Copy the publish profile (from step 8) from your downloads folder to the same directory as the zip file.
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Unzip the contents of the zip file.
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Launch Visual Studio and select Open a project or solution (download and install Visual Studio 2019 Community Edition if you do not have Visual Studio).

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Open QnABot.sln.

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Click Build -> Publish QnABot.

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Select Import Profile.

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Pick the Publish profile you downloaded in step 4.
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Click Publish.

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When your bot is successfully built and deployed, you will see this page.

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Close all browsers, save your Visual Studio project and exit Visual Studio.