Lab structure reorg, user and passwords removal.

Author: LuizMacedo

Instructions/Labs/AZ400_M00_Validate_lab_environment.md

@@ -5,14 +5,15 @@ lab:
 ---
 
 # Lab 00: Validate lab environment
+
 # Student lab manual
 
 ## Instructions
 
 1. Get a new **Azure Pass promocode** (valid for 30 days) from the instructor or other source.
 2. Use a private browser session to get a new **Microsoft Account (MSA)** at [Microsoft account](https://account.microsoft.com) or use an existing one.
-3. Using the same browser session, go to [Microsoft Azure Pass](https://www.microsoftazurepass.com) to redeem your Azure Pass using your Microsoft Account (MSA). For details, see [Redeem a Microsoft Azure Pass](https://www.microsoftazurepass.com/Home/HowTo?Length=5). Follow the instructions for redemption. 
-4. Using the same browser session, go to [Microsoft Azure](https://portal.azure.com), then search at the top of the portal screen for **Azure DevOps**. In the resulting page, click **Azure DevOps organizations**. 
+3. Using the same browser session, go to [Microsoft Azure Pass](https://www.microsoftazurepass.com) to redeem your Azure Pass using your Microsoft Account (MSA). For details, see [Redeem a Microsoft Azure Pass](https://www.microsoftazurepass.com/Home/HowTo?Length=5). Follow the instructions for redemption.
+4. Using the same browser session, go to [Microsoft Azure](https://portal.azure.com), then search at the top of the portal screen for **Azure DevOps**. In the resulting page, click **Azure DevOps organizations**.
 5. Next, click on the link labelled **My Azure DevOps Organizations** or navigate directly to [My Information](https://aex.dev.azure.com).
 6. On the **We need a few more details** page, select **Continue**.
 7. In the drop-down box on the left, choose **Default Directory**, instead of “Microsoft Account”.
@@ -23,7 +24,7 @@ lab:
 12. Once the newly created organization opens in **Azure DevOps**, click **Organization settings** in the bottom left corner.
 13. At the **Organization settings** screen click **Billing** (opening this screen takes a few seconds).
 14. Click **Setup billing** and on the right-hand side of the screen select the **Azure Pass - Sponsorship** subscription and click **Save** to link the subscription with the organization.
-15. Once the screen shows the linked Azure Subscription ID at the top, change the number of **Paid parallel jobs** for **MS Hosted CI/CD** from 0 to **1**. Then click the **SAVE** button at the bottom. 
+15. Once the screen shows the linked Azure Subscription ID at the top, change the number of **Paid parallel jobs** for **MS Hosted CI/CD** from 0 to **1**. Then click the **SAVE** button at the bottom.
 16. **Wait at least 3 hours before using the CI/CD capabilities** so that the new settings are reflected in the back end. Otherwise, you will still see the message *"This agent is not running because you have reached the maximum number of requests…"*.
 17. In Organization Settings, go to Security -> **Policies**
 18. **Turn on** "Third-party application access via OAuth"