diff --git a/v3/internal/commands/build-assets.go b/v3/internal/commands/build-assets.go
index 1fa9138f5..b9a6283c9 100644
--- a/v3/internal/commands/build-assets.go
+++ b/v3/internal/commands/build-assets.go
@@ -31,9 +31,15 @@ type BuildAssetsOptions struct {
 	ProductCompany     string `description:"The company of the product" default:"My Company"`
 	ProductCopyright   string `description:"The copyright notice" default:"\u00a9 now, My Company"`
 	ProductComments    string `description:"Comments to add to the generated files" default:"This is a comment"`
-	ProductIdentifier  string `description:"The product identifier, e.g com.mycompany.myproduct"`
-	Silent             bool   `description:"Suppress output to console"`
-	Typescript         bool   `description:"Use typescript" default:"false"`
+	ProductIdentifier     string `description:"The product identifier, e.g com.mycompany.myproduct"`
+	Publisher             string `description:"Publisher name for MSIX package (e.g., CN=CompanyName)"`
+	ProcessorArchitecture string `description:"Processor architecture for MSIX package" default:"x64"`
+	ExecutablePath        string `description:"Path to executable for MSIX package"`
+	ExecutableName        string `description:"Name of executable for MSIX package"`
+	OutputPath            string `description:"Output path for MSIX package"`
+	CertificatePath       string `description:"Certificate path for MSIX package"`
+	Silent                bool   `description:"Suppress output to console"`
+	Typescript            bool   `description:"Use typescript" default:"false"`
 }
 
 type BuildConfig struct {
@@ -90,6 +96,28 @@ func GenerateBuildAssets(options *BuildAssetsOptions) error {
 		}
 	}
 
+	if options.Publisher == "" {
+		options.Publisher = fmt.Sprintf("CN=%s", options.ProductCompany)
+	}
+
+	if options.ProcessorArchitecture == "" {
+		options.ProcessorArchitecture = "x64"
+	}
+
+	if options.ExecutableName == "" {
+		options.ExecutableName = options.BinaryName
+	}
+
+	if options.ExecutablePath == "" {
+		options.ExecutablePath = options.BinaryName
+	}
+
+	if options.OutputPath == "" {
+		options.OutputPath = fmt.Sprintf("%s.msix", normaliseName(options.Name))
+	}
+
+	// CertificatePath is optional, no default needed
+
 	config.BuildAssetsOptions = *options
 
 	tfs, err := fs.Sub(buildAssets, "build_assets")
diff --git a/v3/internal/commands/build_assets/windows/msix/app_manifest.xml.tmpl b/v3/internal/commands/build_assets/windows/msix/app_manifest.xml.tmpl
index 7697b318f..d68664afb 100644
--- a/v3/internal/commands/build_assets/windows/msix/app_manifest.xml.tmpl
+++ b/v3/internal/commands/build_assets/windows/msix/app_manifest.xml.tmpl
@@ -6,15 +6,15 @@
   xmlns:desktop="http://schemas.microsoft.com/appx/manifest/desktop/windows10">
   
   <Identity 
-    Name="{{.Info.ProductIdentifier}}"
+    Name="{{.ProductIdentifier}}"
     Publisher="{{.Publisher}}"
-    Version="{{.Info.Version}}.0" 
+    Version="{{.ProductVersion}}.0" 
     ProcessorArchitecture="{{.ProcessorArchitecture}}" />
   
   <Properties>
-    <DisplayName>{{.Info.ProductName}}</DisplayName>
-    <PublisherDisplayName>{{.Info.CompanyName}}</PublisherDisplayName>
-    <Description>{{.Info.Description}}</Description>
+    <DisplayName>{{.ProductName}}</DisplayName>
+    <PublisherDisplayName>{{.ProductCompany}}</PublisherDisplayName>
+    <Description>{{.ProductDescription}}</Description>
     <Logo>Assets\StoreLogo.png</Logo>
   </Properties>
   
@@ -27,10 +27,10 @@
   </Resources>
   
   <Applications>
-    <Application Id="{{.Info.ProductIdentifier}}" Executable="{{.ExecutableName}}" EntryPoint="Windows.FullTrustApplication">
+    <Application Id="{{.ProductIdentifier}}" Executable="{{.BinaryName}}" EntryPoint="Windows.FullTrustApplication">
       <uap:VisualElements
-        DisplayName="{{.Info.ProductName}}"
-        Description="{{.Info.Description}}"
+        DisplayName="{{.ProductName}}"
+        Description="{{.ProductDescription}}"
         BackgroundColor="transparent"
         Square150x150Logo="Assets\Square150x150Logo.png"
         Square44x44Logo="Assets\Square44x44Logo.png">
@@ -39,13 +39,13 @@
       </uap:VisualElements>
       
       <Extensions>
-        <desktop:Extension Category="windows.fullTrustProcess" Executable="{{.ExecutableName}}" />
+        <desktop:Extension Category="windows.fullTrustProcess" Executable="{{.BinaryName}}" />
         {{if .FileAssociations}}
         <uap:Extension Category="windows.fileTypeAssociation">
-          <uap:FileTypeAssociation Name="{{.Info.ProductIdentifier}}">
-            <uap:DisplayName>{{.Info.ProductName}}</uap:DisplayName>
+          <uap:FileTypeAssociation Name="{{.ProductIdentifier}}">
+            <uap:DisplayName>{{.ProductName}}</uap:DisplayName>
             <uap:Logo>Assets\FileIcon.png</uap:Logo>
-            <uap:InfoTip>{{.Info.ProductName}} File</uap:InfoTip>
+            <uap:InfoTip>{{.ProductName}} File</uap:InfoTip>
             <uap:SupportedFileTypes>
               {{range .FileAssociations}}
               <uap:FileType>.{{.Ext}}</uap:FileType>
diff --git a/v3/internal/commands/build_assets/windows/msix/template.xml.tmpl b/v3/internal/commands/build_assets/windows/msix/template.xml.tmpl
index 69b57bdf0..92f217499 100644
--- a/v3/internal/commands/build_assets/windows/msix/template.xml.tmpl
+++ b/v3/internal/commands/build_assets/windows/msix/template.xml.tmpl
@@ -10,15 +10,15 @@
     <Installer
         Path="{{.ExecutablePath}}"
         Arguments=""
-        InstallLocation="C:\Program Files\{{.Info.CompanyName}}\{{.Info.ProductName}}">
+        InstallLocation="C:\Program Files\{{.ProductCompany}}\{{.ProductName}}">
     </Installer>
     <PackageInformation
-        PackageName="{{.Info.ProductName}}"
-        PackageDisplayName="{{.Info.ProductName}}"
-        PublisherName="CN={{.Info.CompanyName}}"
-        PublisherDisplayName="{{.Info.CompanyName}}"
-        Version="{{.Info.Version}}.0"
-        PackageDescription="{{.Info.Description}}">
+        PackageName="{{.ProductName}}"
+        PackageDisplayName="{{.ProductName}}"
+        PublisherName="CN={{.ProductCompany}}"
+        PublisherDisplayName="{{.ProductCompany}}"
+        Version="{{.ProductVersion}}.0"
+        PackageDescription="{{.ProductDescription}}">
         <Capabilities>
             <Capability Name="runFullTrust" />
             {{if .FileAssociations}}
@@ -27,15 +27,15 @@
         </Capabilities>
         <Applications>
             <Application
-                Id="{{.Info.ProductIdentifier}}"
-                Description="{{.Info.Description}}"
-                DisplayName="{{.Info.ProductName}}"
+                Id="{{.ProductIdentifier}}"
+                Description="{{.ProductDescription}}"
+                DisplayName="{{.ProductName}}"
                 ExecutableName="{{.ExecutableName}}"
                 EntryPoint="Windows.FullTrustApplication">
                 {{if .FileAssociations}}
                 <Extensions>
                     <Extension Category="windows.fileTypeAssociation">
-                        <FileTypeAssociation Name="{{.Info.ProductIdentifier}}">
+                        <FileTypeAssociation Name="{{.ProductIdentifier}}">
                             {{range .FileAssociations}}
                             <SupportedFileTypes>
                                 <FileType>.{{.Ext}}</FileType>
@@ -55,9 +55,9 @@
         </Dependencies>
         <Properties>
             <Framework>false</Framework>
-            <DisplayName>{{.Info.ProductName}}</DisplayName>
-            <PublisherDisplayName>{{.Info.CompanyName}}</PublisherDisplayName>
-            <Description>{{.Info.Description}}</Description>
+            <DisplayName>{{.ProductName}}</DisplayName>
+            <PublisherDisplayName>{{.ProductCompany}}</PublisherDisplayName>
+            <Description>{{.ProductDescription}}</Description>
             <Logo>Assets\AppIcon.png</Logo>
         </Properties>
     </PackageInformation>