Updated installation guide for spark
diff --git a/userguide/spark/getting_started/installation.html b/userguide/spark/getting_started/installation.html
index 98ab6bd..458c8a3 100644
--- a/userguide/spark/getting_started/installation.html
+++ b/userguide/spark/getting_started/installation.html
@@ -2388,9 +2388,9 @@
 -->
 <h1 id="prerequisites">Prerequisites</h1>
 <ul>
-<li>Spark v2.1 or later</li>
-<li>Java 7 or later</li>
-<li><code>hivemall-spark-xxx-with-dependencies.jar</code> that can be found in <a href="https://www.apache.org/dyn/closer.cgi/incubator/hivemall/" target="_blank">the ASF distribution mirror</a>.</li>
+<li>Spark v2.2 or later</li>
+<li>Java 8 or later</li>
+<li><code>hivemall-all-&lt;version&gt;.jar</code> that can be found in <a href="https://search.maven.org/search?q=a:hivemall-all" target="_blank">Maven central</a> (or use packages built by <code>bin/build.sh</code>).</li>
 <li><a href="https://github.com/apache/incubator-hivemall/blob/master/resources/ddl/define-all.spark" target="_blank">define-all.spark</a></li>
 </ul>
 <h1 id="installation">Installation</h1>
@@ -2399,14 +2399,9 @@
 </code></pre><h1 id="installation-via-spark-packages">Installation via <a href="https://spark-packages.org/package/apache-hivemall/apache-hivemall" target="_blank">Spark Packages</a></h1>
 <p>In another way to install Hivemall, you can use a <code>--packages</code> option.</p>
 <pre><code>$ spark-shell --packages org.apache.hivemall:hivemall-all:&lt;version&gt;
-</code></pre><p>You find available Hivemall versions on <a href="https://mvnrepository.com/artifact/org.apache.hivemall/hivemall-all/0.5.2-incubating" target="_blank">Maven repository</a>.</p>
-<blockquote>
-<h4 id="notice">Notice</h4>
-<p>If you would like to try Hivemall functions on the latest release of Spark, you just say <code>bin/spark-shell</code> in a Hivemall package.
-This command automatically downloads the latest Spark version, compiles Hivemall for the version, and invokes spark-shell with the compiled Hivemall binary.</p>
-</blockquote>
+</code></pre><p>You find available Hivemall versions on <a href="https://mvnrepository.com/artifact/org.apache.hivemall/hivemall-all/" target="_blank">Maven repository</a>.</p>
 <p>Then, you load scripts for Hivemall functions.</p>
-<pre><code>scala&gt; :load resources/ddl/define-all.spark
+<pre><code>scala&gt; :load ~/workspace/incubator-hivemall/resources/ddl/define-all.spark
 </code></pre><p><div id="page-footer" class="localized-footer"><hr><!--
   Licensed to the Apache Software Foundation (ASF) under one
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diff --git a/userguide/spark/getting_started/installation.md b/userguide/spark/getting_started/installation.md
deleted file mode 100644
index 74fc568..0000000
--- a/userguide/spark/getting_started/installation.md
+++ /dev/null
@@ -1,49 +0,0 @@
-<!--
-  Licensed to the Apache Software Foundation (ASF) under one
-  or more contributor license agreements.  See the NOTICE file
-  distributed with this work for additional information
-  regarding copyright ownership.  The ASF licenses this file
-  to you under the Apache License, Version 2.0 (the
-  "License"); you may not use this file except in compliance
-  with the License.  You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-  Unless required by applicable law or agreed to in writing,
-  software distributed under the License is distributed on an
-  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-  KIND, either express or implied.  See the License for the
-  specific language governing permissions and limitations
-  under the License.
--->
-
-Prerequisites
-============
-
-* Spark v2.0 or later
-* Java 7 or later
-* hivemall-spark-xxx-with-dependencies.jar
-* [define-all.spark](https://github.com/apache/incubator-hivemall/blob/master/resources/ddl/define-all.spark)
-* [import-packages.spark](https://github.com/apache/incubator-hivemall/blob/master/resources/ddl/import-packages.spark)
-
-Installation
-============
-
-First, you download a compiled Spark package from [the Spark official web page](http://spark.apache.org/downloads.html) and
-invoke spark-shell with a compiled Hivemall binary.
-
-```
-$ ./bin/spark-shell --jars hivemall-spark-xxx-with-dependencies.jar
-```
-
-> #### Notice
-> If you would like to try Hivemall functions on the latest release of Spark, you just say `bin/spark-shell` in a Hivemall package.
-> This command automatically downloads the latest Spark version, compiles Hivemall for the version, and invokes spark-shell with the compiled Hivemall binary.
-
-Then, you load scripts for Hivemall functions.
-
-```
-scala> :load define-all.spark
-scala> :load import-packages.spark
-```
-