diff --git a/oval-schemas/windows-definitions-schema.xsd b/oval-schemas/windows-definitions-schema.xsd
index 3dc708a..e437a48 100644
--- a/oval-schemas/windows-definitions-schema.xsd
+++ b/oval-schemas/windows-definitions-schema.xsd
@@ -4084,6 +4084,12 @@
 											<xsd:documentation>For more information, refer to https://learn.microsoft.com/en-us/troubleshoot/windows-server/support-tools/scripts-to-retrieve-profile-age</xsd:documentation>
 									   </xsd:annotation>
 								  </xsd:element>
+								    <xsd:element name="user_has_signed_into_explorer" type="oval-def:EntityStateBoolType" minOccurs="0">
+                                          <xsd:annotation>
+                                                <xsd:documentation>The user_has_signed_into_explorer element describes if the user account has ever run Windows Explorer. This is a practical indicator of accounts using interactive (desktop/GUI) sessions and is not set by non-interactive logon methods such as WinRM or SSH. Content authors may use this element to exclude non-interactive users from user policy checks.</xsd:documentation>
+												<xsd:documentation>This can be determined by gathering the Software\Microsoft\Windows\CurrentVersion\Explorer\UserSigned value for the given ntuser.dat profile, 1 = true and 0 = false.</xsd:documentation>
+                                          </xsd:annotation>
+                                    </xsd:element>
                                     <xsd:element name="enabled" type="oval-def:EntityStateBoolType" minOccurs="0">
                                           <xsd:annotation>
                                                 <xsd:documentation>The enabled element describes if the user account is enabled or disabled.</xsd:documentation>
diff --git a/oval-schemas/windows-system-characteristics-schema.xsd b/oval-schemas/windows-system-characteristics-schema.xsd
index 963c5cc..c5b4170 100644
--- a/oval-schemas/windows-system-characteristics-schema.xsd
+++ b/oval-schemas/windows-system-characteristics-schema.xsd
@@ -1690,7 +1690,13 @@
 										<xsd:documentation>The last_logon data which can be obtained from the LocalProfileLoadTimeHigh and LocalProfileLoadTimeLow registry values from HKLM\Software\Microsoft\Windows NT\CurrentVersion\ProfileList\&lt;SID&gt;, converted to days and then rounded down to the nearest integer (floor function). If the account is determined to be currently logged in, this date should be reported as 0.</xsd:documentation>
 										<xsd:documentation>For more information, refer to https://learn.microsoft.com/en-us/troubleshoot/windows-server/support-tools/scripts-to-retrieve-profile-age</xsd:documentation>
 								   </xsd:annotation>
-                              </xsd:element>				  
+                              </xsd:element>	
+							<xsd:element name="user_has_signed_into_explorer" type="oval-sc:EntityItemBoolType" minOccurs="0" maxOccurs="1">
+								<xsd:annotation>
+									<xsd:documentation>The user_has_signed_into_explorer element describes if the user account has ever run Windows Explorer. This is a practical indicator of accounts using interactive (desktop/GUI) sessions and is not set by non-interactive logon methods such as WinRM or SSH. Content authors may use this element to exclude non-interactive users from user policy checks.</xsd:documentation>
+									<xsd:documentation>This can be determined by gathering the Software\Microsoft\Windows\CurrentVersion\Explorer\UserSigned value for the given ntuser.dat profile, 1 = true and 0 = false.</xsd:documentation>
+								</xsd:annotation>
+							</xsd:element>							  
                               <xsd:element name="enabled" type="oval-sc:EntityItemBoolType" minOccurs="0" maxOccurs="1">
                                    <xsd:annotation>
                                         <xsd:documentation>The enabled element describes if the user account is enabled or disabled.</xsd:documentation>