Update 2.how-to-create-subsciption.md

docs-2.0/nebula-cloud/2.how-to-create-subsciption.md

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+# Create a subscription
+
+Before using Nebula Graph Cloud, you need to create a subscription on Azure. This topic describes how to create a subscription on Azure Marketplace.
+
+## Subscription workflow
+
+1. Enter the [Azure Marketplace](https://portal.azure.com/?l=en.en-us#blade/Microsoft_Azure_Marketplace/GalleryMenuBlade/selectedMenuItemId/home), and search for Nebula Graph Cloud in the search bar in Marketplace, or directly click [Nebula Graph Cloud]() to enter the subscription page. [TODO]
+
+2. Select a plan according to your own needs and click `Set up + subscribe`.
+
+   1. In the `Basics` page of **Subscribe Nebula Graph Cloud**, fill in the following plan details:
+
+   - Project details
+
+      |Field|Description|
+      |:---|:---|
+      |Subscription|Select a subscription.|
+      |Resource group|Select an existing resource group or create a new one.|
+
+   - SaaS details
+
+      |Field|Description|
+      |:---|:---|
+      |Name|Create a name for this SaaS subscription to easily identify it later.|
+      |Recurring billing|`On` or `Off`.|
+
+   2. At the bottom of the `Basics` page, click `Next: Tags`.
+   3. (Optional) On the `Tags` page, enter `Name: Value`.
+   4. At the bottom of `Review + subscribe` page, click `Subscribe` and wait for about 2 minutes.
+
+3. After the subscription is completed, you need to click `Open the SaaS account on the publisher's website` to create and configure your Solution. For details, see [How to configure a Solution](../nebula-nebula-cloud/3.how-to-set-solution.md).