Windows 10 will support multiple instances of uwp applications

We have good news for users of UWP platform apps on Windows 10, Microsoft has announced that starting with build Windows 10 1803, developers can choose to support multiple instances of their UWP apps.

UWP apps will be even better

So far Windows 10 users can only run one instance of a UWP app at a time, luckily this will change with version 1803 as Microsoft has announced that it will allow a new process to be run on a multi-instance capable app if an activation request occurs. Instances of a UWP application can be started and customized separately using new implementations, which will have different functions, such as preventing multiple instances from working on the same file when opening it.

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Microsoft has explained that some applications will only need minimal code changes to support multiple instances, while others will require major modifications. In addition, it has confirmed that there will be no limit on the number of active instances of an application, and if one is blocked, the others will continue to work.

Microsoft has noted some considerations for developers to keep in mind: Background audio apps don't support multi-instance, and the feature is only supported in desktop and Internet of Things (IoT) projects. This means that the feature will be quite limited, at least for now. It will undoubtedly be an important step towards increasing the popularity of UWP applications, which are not preferred by users.

Create a multi-instance Universal Windows App

With Windows 10 version 1803, your UWP app can now opt-in to to support multiple instances. You can decide if a new instance of your app is launched, or an existing instance activated.

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- Windows Dev Docs (@WindowsDocs) February 22, 2018

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