--- title: "Verifying .NET 3.5 is Enabled" slug: "how-to-verify-net-35-is-enabled" updated: 2022-11-30T12:12:51Z published: 2022-11-30T12:12:51Z canonical: "success.panaya.com/how-to-verify-net-35-is-enabled" --- > ## Documentation Index > Fetch the complete documentation index at: https://success.panaya.com/llms.txt > Use this file to discover all available pages before exploring further. # Verifying .NET 3.5 is Enabled 1. Click the **Start** button in Microsoft Windows 2. Start typing **turn windows features on or off ![](https://cdn.document360.io/f404076c-de23-4609-848e-2dfd4ef701b0/Images/Documentation/Unable to install or run this application - Error message2.png)** 3. Select the **Turn Windows features on or off option** 4. Verify that both features are enabled -  **.NET Framework 3.5** (includes .NET 2.0 and 3.0) **ASP.NET 4.5** (or above) - This feature is located inside .NET Framework 4.5 (or above) Advanced Services ![](https://cdn.document360.io/f404076c-de23-4609-848e-2dfd4ef701b0/Images/Documentation/How to verify .NET 3.5 is enabled.jpg)