diff --git a/asciidoc/install-asciidoc.adoc b/asciidoc/install-asciidoc.adoc
index 1141310..27ea604 100644
--- a/asciidoc/install-asciidoc.adoc
+++ b/asciidoc/install-asciidoc.adoc
@@ -62,9 +62,9 @@ Please note, there is a **.** in ./path
 
 All you need to preview an AsciiDoc document in a web browser is to install 
 
-- the {uri-chrome-extension}[Chrome extension] 
-- or the {uri-firefox-addon}[Firefox add-on] 
-- or the {uri-opera-extension}[Opera extension] 
+- the https://chrome.google.com/webstore/detail/asciidoctorjs-live-previe/iaalpfgpbocpdfblpnhhgllgbdbchmia[Chrome extension] 
+- or the https://addons.mozilla.org/en-US/firefox/addon/asciidoctorjs-live-preview[Firefox add-on] 
+- or the https://addons.opera.com/fr/extensions/details/asciidoctorjs-live-preview[Opera extension] 
 
 Then you can see the AsciiDoc file rendered as HTML just by visiting it!
 
@@ -73,18 +73,18 @@ image:tiled-editor-and-web-preview.png[alt="Swarmlab"]
 
 === Installing the Chrome Extension
 
-. Download {uri-chrome-extension-dd}[asciidoctor-chrome-extension.nex]
+. Download https://github.com/asciidoctor/asciidoctor-chrome-extension/releases/download/v1.5.4.100/asciidoctor-chrome-extension.nex[asciidoctor-chrome-extension.nex]
 . Open chrome://extensions
 . Drag'n'drop the `.nex` file into the page to install
 
 === Installing the Firefox Extension
 
-. Download {uri-firefox-addon-dd}[asciidoctor-firefox-addon.xpi]
+. Download https://github.com/asciidoctor/asciidoctor-firefox-addon/releases/download/v0.5.3/asciidoctor-firefox-addon-0.5.3-signed.xpi[asciidoctor-firefox-addon.xpi]
 . Open the file with Firefox to install
 
 === Installing the Opera Extension
 
-. Dowload {uri-opera-extension-dd}[asciidoctor-chrome-extension.nex]
+. Dowload https://github.com/asciidoctor/asciidoctor-chrome-extension/releases/download/v1.5.4.100/asciidoctor-chrome-extension.nex[asciidoctor-chrome-extension.nex]
 . Open opera://extensions
 . Drag'n'drop the `.nex` file into the page to install