diff --git a/manifests/Mozilla/Thunderbird-es/78.4.0.yaml b/manifests/Mozilla/Thunderbird-es/78.4.0.yaml
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+Id: Mozilla.Thunderbird-es
+Publisher: Mozilla
+Name: Thunderbird Spanish
+Version: 78.4.0
+License: Mozilla Public License Version 2.0
+InstallerType: MSI
+LicenseUrl: https://www.mozilla.org/en-US/MPL/2.0/
+Tags: thunderbird, email
+Description: Thunderbird es un gestor de correo gratuito fácil de configurar y de personalizar, ¡que incluye funciones extraordinarias!
+Homepage: https://www.thunderbird.net/es-MX/
+Installers:
+  - Arch: x64
+    InstallerType: MSI
+    Url: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.4.0/win64/es-ES/Thunderbird%20Setup%2078.4.0.msi
+    Sha256: 8EC48D76BC5703338FC2115DBB2F25E4CC12BD21FC4CDD57738E6C721CCBCC95
+    Language: es-ES