diff --git a/asciidoc/AsciiDocSyntaxQuickReference.adoc b/asciidoc/AsciiDocSyntaxQuickReference.adoc
index 523477a..e81f9a9 100644
--- a/asciidoc/AsciiDocSyntaxQuickReference.adoc
+++ b/asciidoc/AsciiDocSyntaxQuickReference.adoc
@@ -20,13 +20,13 @@ include::header.adoc[]
 
 
 [[cheat-Ascii]]
-== Install  (swarmlab-adoc)
+= Install  (swarmlab-adoc)
 
 https://git.swarmlab.io:3000/swarmlab/swarmlab-adoc[^]
 
 
 [[cheat-useadoc]]
-== AsciiDoc Syntax Quick Reference
+= AsciiDoc Syntax Quick Reference
 
 
 
@@ -7953,6 +7953,13 @@ Also, don't forget to join the {uri-mailinglist}[Asciidoctor mailing list], wher
 
 
 
+.Origin content 
+[NOTE]
+====
+INFO: https://asciidoctor.org/docs/asciidoc-syntax-quick-reference/
+
+TIP: more: https://asciidoctor.org/docs/user-manual
+====
 
 
 
@@ -7960,6 +7967,7 @@ Also, don't forget to join the {uri-mailinglist}[Asciidoctor mailing list], wher
 
 
 
+= User HowTo convert
 
 
 
diff --git a/asciidoc/install-asciidoc.adoc b/asciidoc/install-asciidoc.adoc
index 0307faf..d1dd5ba 100644
--- a/asciidoc/install-asciidoc.adoc
+++ b/asciidoc/install-asciidoc.adoc
@@ -57,6 +57,38 @@ docker run --rm -v $(pwd):/documents/ registry.vlabs.uniwa.gr:5080/swarmlab-asci
 Please note, there is a **.** in ./path
 ====
 
+
+== Setup live preview Using a web browser 
+
+All you need to preview an AsciiDoc document in a web browser is to install the {uri-chrome-extension}[Chrome extension], the {uri-firefox-addon}[Firefox add-on] or the {uri-opera-extension}[Opera extension].
+Then you can see the AsciiDoc file rendered as HTML just by visiting it!
+
+.Live Preview
+image:tiled-editor-and-web-preview.png[alt="Swarmlab"] +
+
+=== Installing the development versions
+
+The validation process of a browser extension / addon can take a long time.
+If you want the latest and greatest version you can use the direct download links below.
+
+==== Chrome
+
+. Download {uri-chrome-extension-dd}[asciidoctor-chrome-extension.nex]
+. Open chrome://extensions
+. Drag'n'drop the `.nex` file into the page to install
+
+==== Firefox
+
+. Download {uri-firefox-addon-dd}[asciidoctor-firefox-addon.xpi]
+. Open the file with Firefox to install
+
+==== Opera
+
+. Dowload {uri-opera-extension-dd}[asciidoctor-chrome-extension.nex]
+. Open opera://extensions
+. Drag'n'drop the `.nex` file into the page to install
+
+
 That's all folks! :-)
 
 
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new file mode 100644
index 0000000..e5dfdc0
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