Microsoft Pushes Windows 10 Insider Preview Build 21337 For Dev Channel Windows Insiders

Windows 10 Insider Preview Build 21337

Microsoft has rolled out Windows 10 Insider Preview Build 21337 (RS_PRERELEASE) to Windows Insiders in the Dev Channel. The Windows 10 Insider Preview Build 21337 provides an ability to reorder and customize the backgrounds for Virtual desktops. The Virtual Desktops can be accessed via Task View (Win+Tab). The main aim of the Virtual Desktops is to enable an improved work-life separation and enhanced multitasking. You can shift your work from one desktop to another and can also be swapped into view.

You can change Virtual Desktop background by following the below steps:

  • Navigate to Settings | Personalization | Background
  • You have to left click a background to modify the background for the active Virtual Desktop.
  • If you right-click a background on the Settings page, you will find a new option to modify the background for a specific Virtual Desktop.
  • You will be able to view the new background when you switch to the relevant Virtual Desktop.
    You will also view from the preview thumbnail in Task View.

Reorder Virtual Desktops

You have to select Task View (Win+Tab) and create multiple Virtual Desktops. You have to drag and drop a Virtual Desktop to another position in the list in Task View. The next step is to right-click a Virtual Desktop thumbnail in Task View and select “Move left” or “Move right” options in the context menu to move the desktop to another position. You can make use of the keyboard navigation to set focus to the desired Virtual Desktop in Task View. You have to press ALT+Shift+Left/Right arrow to navigate in either direction in the list.

The Windows 10 Insider Preview Build 21337 has introduced Auto HDR Preview for PC to provide an awesome gaming experience. If you enable the option on your HDR-capable gaming PC, you will be able to experience awesome HDR visuals on an additional 1000+ DirectX 11 and DirectX 12 games.

The look and feel of the File Explorer will change after the installation of the Windows 10 Insider Preview Build 21337. The default layout of File Explorer will add additional padding between elements. A new option named “Use compact mode” has been added inside View menu, which is designed to restore the classic layout of File Explorer.

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Microsoft added that the UX for the setting is not final and the padding level is designed to provide better consistency with modern XML experiences. Moreover, the new feature has been designed for touch screen devices. The latest update build also includes updates to the captions settings and can be set by navigating to Settings | Ease of Access | Hearing | Captions.

Microsoft has started to roll out Cumulative Update Build 21337.1010 (KB5001618) with an intention to test their servicing pipeline. The update will not carry any fixes for the known issues reported via Feedback Hub.

With Windows 10 Insider Preview Build 21337, Notepad will be updated via the Microsoft Store. Notepad has got a new icon and will be visible in the Start menu instead of the Windows Accessories folder. The Windows Terminal has been included as an inbox app.

Windows Terminal is a modern, fast, powerful, and efficient terminal application for users of command-line tools such as Command Prompt, PowerShell, and Windows Subsystem for Linux. The core features of the Windows Terminal are multiple tabs, panes, Unicodes with UTF-8 character support. The terminal also comes with a GPU accelerated text rendering engine paired with custom themes, styles, and configurations. You will receive continuous updates for Windows Terminal via the Microsoft Store.

Another notable feature of Windows 10 Insider Preview Build 21337 is that the Power Automate Desktop is included as an inbox app. The main purpose of the Power Automate Desktop is that it allows you to automate web and desktop applications on your Windows desktop by imitating the user interface actions such as clicks and keyboard input.

It is also possible to combine these actions with predefined support for programs such as Microsoft Excel. The Power Automate can be located from the Windows Accessories folder on the Start menu. You should note that Power Automate Desktop is not yet available for ARM PCs.

Microsoft is also making modifications to Word or Notepad to make them the text editor/viewer of your choice in Windows. The company is rolling out the new IME candidate window design to all Dev Channel Windows Insiders with the help of Japanese, Indic, and Chinese Traditional languages.

Microsoft is updating the emoji panel (WIN+Period) to provide support for searching in multiple languages such as Amharic, Belarus, Filipino, Faroese, Khmer, Cherokee, Mongolian, Burmese, Sindhi, Serbian (Cyrillic/Latin script), Swahili, Turkmen, Tonga, Thai, Uzbek, and Cantonese. The live previews for websites pinned to the Microsoft Edge Taskbar are now made available for all Windows Insiders. Microsoft has moved the relevant settings for the display of Windows Ink Workspace, Touch Keyboard button, and Task View by navigating to Settings | Personalization| Taskbar.

Anand Narayanaswamy is the editor-in-chief of Netans. He was recognized as a Microsoft Most Valuable Professional (MVP) for 9 years (2002 to 2011) and again as a Microsoft MVP in Surface under Windows and Devices in January 2024. He worked as a Chief Technical Editor with ASPAlliance and was part of ASPInsider program. Anand has published several articles and reviews related to various software and hardware products for various software and technology related websites. He is also active on social media and also participates as an Influencer for various brands. Anand can be reached at