Check which version of windows 7 i have

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Visual C. Sign in to vote. Wednesday, November 10, PM. You need this information when installing new programs and also for troubleshooting. Microsoft provides details about the Windows version installed on your computer in several places in the operating system, e. There are three different ways of accessing the relevant system information.

The quickest way to find out your Windows version is using a keyboard shortcut. On newer systems, the steps are as follows:. Windows 10 Enterprise. The window also contains an overview of the technical characteristics of your system , for example: processor architecture, installed memory RAM and system type i. The next section shows the name of your computer and network domain settings. You can also see whether or not your Windows version is activated.

The system information window therefore contains all the information you need in order to install new programs. However, it does not give you detailed information about your Windows version, such as the version number or the OS build number. You need this information if you want to check whether your operating system has all of the latest updates for example. This shows what Windows version you have installed e. Windows 7, 8 or 10 , and you can also see the version number and the build number.

In order to protect your privacy, the video will not load until you click on it. Both the Windows version number and the build number indicate which Windows updates are installed on your computer. For example, version corresponds to the Windows 10 feature update released in April The build number tells you which cumulative update is installed on your system. Build You can find out more in the Windows 10 update history on the Microsoft support site. NET implementation and version your app is running on.

If the app is running on. NET Framework, the output will be similar to:. The version of. If the Full subkey is missing, then. NET Framework installed. To determine whether a minimum version of. For example, if your application runs under.

From the Start menu, choose Run , enter regedit , and then select OK. If the Full subkey isn't present, then you don't have. If it exists, then you have. Its value corresponds to a particular version of.

In the following figure, for example, the value of the Release entry is , which is the release key for. The following examples check the value of the Release entry to determine whether. This code returns True if it's installed and False otherwise.

Use the RegistryKey. OpenBaseKey and RegistryKey. If the app you're running is bit and running in bit Windows, the registry paths will be different than previously listed.

For example, the registry subkey for. To be forward-compatible, check for a value greater than or equal to the value listed in the. NET Framework version table. The following example checks the value of the Release entry in the registry to find the versions of. Add the directive using Microsoft. Win32 or Imports Microsoft. Win32 at the top of your code file if you haven't already done so. Each version of. NET Framework from 1. The following table lists the path to each.

NET Framework version. NET Framework 3. Open the subkey that matches the version you want to check. Use the table in the Detect. NET Framework 1. The following figure shows the subkey and its Version value for. Use the Microsoft.