diff --git a/phpBB/adm/style/install_convert.html b/phpBB/adm/style/install/convert.html
similarity index 100%
rename from phpBB/adm/style/install_convert.html
rename to phpBB/adm/style/install/convert.html
diff --git a/phpBB/adm/style/install_error.html b/phpBB/adm/style/install/error.html
similarity index 100%
rename from phpBB/adm/style/install_error.html
rename to phpBB/adm/style/install/error.html
diff --git a/phpBB/adm/style/install_footer.html b/phpBB/adm/style/install/footer.html
similarity index 100%
rename from phpBB/adm/style/install_footer.html
rename to phpBB/adm/style/install/footer.html
diff --git a/phpBB/adm/style/install_header.html b/phpBB/adm/style/install/header.html
similarity index 100%
rename from phpBB/adm/style/install_header.html
rename to phpBB/adm/style/install/header.html
diff --git a/phpBB/adm/style/install_main.html b/phpBB/adm/style/install/main.html
similarity index 100%
rename from phpBB/adm/style/install_main.html
rename to phpBB/adm/style/install/main.html
diff --git a/phpBB/adm/style/install_update.html b/phpBB/adm/style/install/update.html
similarity index 100%
rename from phpBB/adm/style/install_update.html
rename to phpBB/adm/style/install/update.html
diff --git a/phpBB/adm/style/install_update_diff.html b/phpBB/adm/style/install/update_diff.html
similarity index 100%
rename from phpBB/adm/style/install_update_diff.html
rename to phpBB/adm/style/install/update_diff.html
diff --git a/phpBB/adm/style/install_install.html b/phpBB/adm/style/install_install.html
deleted file mode 100644
index 79006fba69..0000000000
--- a/phpBB/adm/style/install_install.html
+++ /dev/null
@@ -1,77 +0,0 @@
-<!-- INCLUDE install_header.html -->
-
-<form id="install_install" method="post" action="{U_ACTION}" onsubmit="submit.disabled = 'disabled';">
-
-<!-- IF TITLE --><h1>{TITLE}</h1><!-- ENDIF -->
-<!-- IF BODY --><p>{BODY}</p><!-- ENDIF -->
-
-<!-- IF .checks -->
-	<fieldset>
-
-	<!-- BEGIN checks -->
-		<!-- IF checks.S_LEGEND -->
-			<!-- IF not checks.S_FIRST_ROW -->
-			</fieldset>
-
-			<fieldset>
-			<!-- ENDIF -->
-				<legend>{checks.LEGEND}</legend>
-				<!-- IF checks.LEGEND_EXPLAIN --><p>{checks.LEGEND_EXPLAIN}</p><!-- ENDIF -->
-		<!-- ELSE -->
-
-			<dl>
-				<dt>{checks.TITLE}:<!-- IF checks.S_EXPLAIN --><br /><span class="explain">{checks.TITLE_EXPLAIN}</span><!-- ENDIF --></dt>
-				<dd>{checks.RESULT}</dd>
-			</dl>
-		<!-- ENDIF -->
-	<!-- END checks -->
-
-	</fieldset>
-<!-- ENDIF -->
-
-<!-- IF .options -->
-	<fieldset>
-
-	<!-- BEGIN options -->
-		<!-- IF options.S_LEGEND -->
-			<!-- IF not options.S_FIRST_ROW -->
-				</fieldset>
-		
-				<fieldset>
-			<!-- ENDIF -->
-				<legend>{options.LEGEND}</legend>
-		<!-- ELSE -->
-
-			<dl>
-				<dt><label for="{options.KEY}">{options.TITLE}:</label><!-- IF options.S_EXPLAIN --><br /><span class="explain">{options.TITLE_EXPLAIN}</span><!-- ENDIF --></dt>
-				<dd>{options.CONTENT}</dd>
-			</dl>
-
-		<!-- ENDIF -->
-	<!-- END options -->
-
-	</fieldset>
-<!-- ENDIF -->
-
-<!-- IF S_SHOW_DOWNLOAD -->
-	<h1>{L_DL_CONFIG}</h1>
-	<p>{L_DL_CONFIG_EXPLAIN}</p>
-
-	<fieldset class="submit-buttons">
-		<legend>{L_DL_CONFIG}</legend>
-		{S_HIDDEN}
-		<input class="button1" type="submit" id="dlconfig" name="dlconfig" value="{L_DL_DOWNLOAD}" />&nbsp;<input class="button1" type="submit" id="dldone" name="dldone" value="{L_DL_DONE}" />
-	</fieldset>
-<!-- ENDIF -->
-
-<!-- IF L_SUBMIT -->
-	<fieldset class="submit-buttons">
-		<legend>{L_SUBMIT}</legend>
-		{S_HIDDEN}
-		<!-- IF L_SUBMIT --><input class="button1" type="submit" id="submit" onclick="this.className = 'button1 disabled';" name="submit" value="{L_SUBMIT}" /><!-- ENDIF -->
-	</fieldset>
-<!-- ENDIF -->
-
-</form>
-
-<!-- INCLUDE install_footer.html -->