Merge #175 Technical accuracy review for below page :

modules/ROOT/pages/_partials/proc_install-predefined-systems.adoc

@@ -7,7 +7,7 @@
 
 To install a virtual operating system:
 
-. Run *GNOME Boxes* using the *Super* key and typing `Boxes`. In GNOME Boxes, click the *New* button.
+. Run *GNOME Boxes* using the *Super* key and type `Boxes`. In GNOME Boxes, click the *+* button and then *Create a Virtual Machine*.
 +
 image::Boxes_new_machine.png[New machine]
 
@@ -23,10 +23,6 @@ Alternatively, download an ISO image from the relevant website and select the fi
 +
 image::Select_from_file.png[Select from file]
 +
-. Choose your user name, password, and installation type.
-+
-image::Setup_machine.png[Setup machine]
-+
 . Review your installation.
 +
 image::Installation_review.png[Installation review]

modules/ROOT/pages/installing-virtual-systems-with-gnome-boxes.adoc

@@ -6,8 +6,6 @@ ifdef::context[:parent-context: {context}]
 :md: en-US/modules
 :imagesdir: ../images
 
-include::{partialsdir}/unreviewed-message.adoc[]
-
 GNOME Boxes is an application in GNOME Desktop Environment, which enables you to virtually access various operating systems.
 
 :leveloffset: +1