diff --git a/resources/sorting/hwtype_year/es_systems_sorting.xml b/resources/sorting/hwtype_year/es_systems_sorting.xml
index 2cbef91e0..ab0cf662f 100644
--- a/resources/sorting/hwtype_year/es_systems_sorting.xml
+++ b/resources/sorting/hwtype_year/es_systems_sorting.xml
@@ -673,6 +673,14 @@
         <name>windows</name>
         <systemsortname>OS - 1985</systemsortname>
     </system>
+    <system>
+        <name>windows3x</name>
+        <systemsortname>OS - 1990</systemsortname>
+    </system>
+    <system>
+        <name>windows9x</name>
+        <systemsortname>OS - 1995</systemsortname>
+    </system>
     <system>
         <name>wonderswan</name>
         <systemsortname>Portable - 1999</systemsortname>
diff --git a/resources/sorting/manufacturer_hwtype_year/es_systems_sorting.xml b/resources/sorting/manufacturer_hwtype_year/es_systems_sorting.xml
index 2c3dbf532..963ff14ab 100644
--- a/resources/sorting/manufacturer_hwtype_year/es_systems_sorting.xml
+++ b/resources/sorting/manufacturer_hwtype_year/es_systems_sorting.xml
@@ -673,6 +673,14 @@
         <name>windows</name>
         <systemsortname>Microsoft - OS - 1985</systemsortname>
     </system>
+    <system>
+        <name>windows3x</name>
+        <systemsortname>Microsoft - OS - 1990</systemsortname>
+    </system>
+    <system>
+        <name>windows9x</name>
+        <systemsortname>Microsoft - OS - 1995</systemsortname>
+    </system>
     <system>
         <name>wonderswan</name>
         <systemsortname>Bandai - Portable - 1999</systemsortname>
diff --git a/resources/sorting/manufacturer_year/es_systems_sorting.xml b/resources/sorting/manufacturer_year/es_systems_sorting.xml
index 044054e3e..8a7511061 100644
--- a/resources/sorting/manufacturer_year/es_systems_sorting.xml
+++ b/resources/sorting/manufacturer_year/es_systems_sorting.xml
@@ -673,6 +673,14 @@
         <name>windows</name>
         <systemsortname>Microsoft - 1985</systemsortname>
     </system>
+    <system>
+        <name>windows3x</name>
+        <systemsortname>Microsoft - 1990</systemsortname>
+    </system>
+    <system>
+        <name>windows9x</name>
+        <systemsortname>Microsoft - 1995</systemsortname>
+    </system>
     <system>
         <name>wonderswan</name>
         <systemsortname>Bandai - 1999</systemsortname>
diff --git a/resources/sorting/year/es_systems_sorting.xml b/resources/sorting/year/es_systems_sorting.xml
index 43d7a9dc9..a493544ff 100644
--- a/resources/sorting/year/es_systems_sorting.xml
+++ b/resources/sorting/year/es_systems_sorting.xml
@@ -673,6 +673,14 @@
         <name>windows</name>
         <systemsortname>1985</systemsortname>
     </system>
+    <system>
+        <name>windows3x</name>
+        <systemsortname>1990</systemsortname>
+    </system>
+    <system>
+        <name>windows9x</name>
+        <systemsortname>1995</systemsortname>
+    </system>
     <system>
         <name>wonderswan</name>
         <systemsortname>1999</systemsortname>