Adding a Registry Key
AdminStudio 2025 R2 | 30.0 | MSIX Editor
To add a registry key, perform the following steps:
To add a registry key:
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Click on Registry view in the left pane view list under Package Properties. The Registry page appears.
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In the Registry pane, right-click on any folder where you want to add registry key, and then click on New.
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A dialog box appears, enter the desired key name, and then click the Update button. 
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Upon saving, the new registry key will be added to the selected MSIX package.

See Also