diff --git a/manifests/m/Mozilla/FirefoxESR/78.0esr/Mozilla.FirefoxESR.installer.yaml b/manifests/m/Mozilla/FirefoxESR/78.0esr/Mozilla.FirefoxESR.installer.yaml
new file mode 100644
index 000000000..eb45340a3
--- /dev/null
+++ b/manifests/m/Mozilla/FirefoxESR/78.0esr/Mozilla.FirefoxESR.installer.yaml
@@ -0,0 +1,26 @@
+# yaml-language-server: $schema=https://aka.ms/winget-manifest.installer.1.0.0.schema.json
+PackageIdentifier: Mozilla.FirefoxESR
+PackageVersion: 78.0esr
+Installers:
+- Architecture: x64
+  InstallerUrl: https://download-installer.cdn.mozilla.net/pub/firefox/releases/78.0esr/win64/en-US/Firefox%20Setup%2078.0esr.msi
+  InstallerSha256: A725B4B22F5ED965F01F5DE96D637D27CF3898E191A1D8729B0243EE55C01230
+  InstallerType: msi
+- Architecture: x86
+  InstallerType: msi
+  InstallerUrl: https://download-installer.cdn.mozilla.net/pub/firefox/releases/78.0esr/win32/en-US/Firefox%20Setup%2078.0esr.msi
+  InstallerSha256: 2437541BD030513CCC0913D5BB79106223D03C2CCAC0013A65937A25AD2AFBD4
+  Scope: machine
+  InstallerLocale: en-US
+- Architecture: arm64
+  InstallerType: exe
+  InstallerUrl: https://download-installer.cdn.mozilla.net/pub/firefox/releases/78.0esr/win64-aarch64/en-US/Firefox%20Setup%2078.0esr.exe
+  InstallerSha256: E7E411D1E7AAD6D494F0B378CAF1C19FD82E4FB170F044551382717231E4F386
+  Scope: machine
+  InstallerLocale: en-US
+  InstallerSwitches:
+    Silent: /S
+    SilentWithProgress: /S
+ManifestType: installer
+ManifestVersion: 1.0.0
+
diff --git a/manifests/m/Mozilla/FirefoxESR/78.0esr/Mozilla.FirefoxESR.locale.en-US.yaml b/manifests/m/Mozilla/FirefoxESR/78.0esr/Mozilla.FirefoxESR.locale.en-US.yaml
new file mode 100644
index 000000000..8bc44a76f
--- /dev/null
+++ b/manifests/m/Mozilla/FirefoxESR/78.0esr/Mozilla.FirefoxESR.locale.en-US.yaml
@@ -0,0 +1,19 @@
+# yaml-language-server: $schema=https://aka.ms/winget-manifest.defaultlocale.1.0.0.schema.json
+PackageIdentifier: Mozilla.FirefoxESR
+PackageVersion: 78.0esr
+PackageLocale: en-US
+LicenseUrl: https://www.mozilla.org/en-US/MPL/2.0/
+Moniker: firefoxesr
+Tags:
+- browser
+- firefox
+- mozilla
+- esr
+PackageUrl: https://www.mozilla.org/en-US/firefox/enterprise/
+Publisher: Mozilla
+PackageName: Firefox ESR
+License: Mozilla Public License V2.0
+ShortDescription: Get unmatched data protection on the release cadence that suits you with Firefox for enterprise.
+ManifestType: defaultLocale
+ManifestVersion: 1.0.0
+
diff --git a/manifests/m/Mozilla/FirefoxESR/78.0esr/Mozilla.FirefoxESR.yaml b/manifests/m/Mozilla/FirefoxESR/78.0esr/Mozilla.FirefoxESR.yaml
index 8c451820f..219d4f243 100644
--- a/manifests/m/Mozilla/FirefoxESR/78.0esr/Mozilla.FirefoxESR.yaml
+++ b/manifests/m/Mozilla/FirefoxESR/78.0esr/Mozilla.FirefoxESR.yaml
@@ -1,27 +1,7 @@
+# yaml-language-server: $schema=https://aka.ms/winget-manifest.version.1.0.0.schema.json
 PackageIdentifier: Mozilla.FirefoxESR
 PackageVersion: 78.0esr
-PackageName: Firefox ESR
-Publisher: Mozilla
-License: Mozilla Public License Version 2.0
-LicenseUrl: https://www.mozilla.org/en-US/MPL/2.0/
-Moniker: firefox-esr
-ShortDescription: Get unmatched data protection on the release cadence that suits you with Firefox for enterprise.
-PackageUrl: https://www.mozilla.org/en-US/firefox/enterprise/
-Tags:
-- Browser
-- Mozilla
-- Firefox
-- Enterprise
-- Extended Support
-- FirefoxESR
-- firefox-esr
-- firefoxesr
-- firefox esr
-Installers:
-- Architecture: x64
-  InstallerUrl: https://ftp.mozilla.org/pub/firefox/releases/78.0esr/win64/en-US/Firefox%20Setup%2078.0esr.msi
-  InstallerSha256: A725B4B22F5ED965F01F5DE96D637D27CF3898E191A1D8729B0243EE55C01230
-  InstallerType: msi
-PackageLocale: en-US
-ManifestType: singleton
+DefaultLocale: en-US
+ManifestType: version
 ManifestVersion: 1.0.0
+