Add installation instructions to intro

doc/manual/redirects.js

@@ -275,7 +275,6 @@ const redirects = {
     "ssec-multi-user": "installation/multi-user.html",
     "sec-obtaining-source": "installation/obtaining-source.html",
     "sec-prerequisites-source": "installation/prerequisites-source.html",
-    "ch-supported-platforms": "installation/supported-platforms.html",
     "ch-upgrading-nix": "installation/upgrading.html",
     "ch-about-nix": "introduction.html",
     "chap-introduction": "introduction.html",

doc/manual/source/SUMMARY.md.in

@@ -3,7 +3,6 @@
 - [Introduction](introduction.md)
 - [Quick Start](quick-start.md)
 - [Installation](installation/index.md)
-  - [Supported Platforms](installation/supported-platforms.md)
   - [Installing Nix from Source](installation/installing-source.md)
     - [Prerequisites](installation/prerequisites-source.md)
     - [Obtaining a Source Distribution](installation/obtaining-source.md)

doc/manual/source/installation/index.md

@@ -1,10 +1,10 @@
 # Installation
 
-We recommend that macOS users install Determinate Nix using [Determinate.pkg][pkg].
+We recommend that macOS users install Determinate Nix using our graphical installer, [Determinate.pkg][pkg].
 For Linux and Windows Subsystem for Linux (WSL) users:
 
 ```console
-$ curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | \
+curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | \
   sh -s -- install --determinate
 ```
 

doc/manual/source/installation/supported-platforms.md

@@ -1,7 +0,0 @@
-# Supported Platforms
-
-Nix is currently supported on the following platforms:
-
-  - Linux (i686, x86\_64, aarch64).
-
-  - macOS (x86\_64, aarch64).

doc/manual/source/introduction.md

@@ -1,7 +1,17 @@
 # Determinate Nix
 
-**Determinate Nix** is a downstream distribution of [Nix], a purely
-functional language, CLI tool, and package management system.
+**Determinate Nix** is a downstream distribution of [Nix], a purely functional language, CLI tool, and package management system.
+It's available on Linux, macOS, and Windows Subsystem for Linux (WSL).
+
+## Installing
+
+We recommend that macOS users install Determinate Nix using our graphical installer, [Determinate.pkg][pkg].
+For Linux and Windows Subsystem for Linux (WSL) users:
+
+```console
+curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | \
+  sh -s -- install --determinate
+```
 
 ## How Nix works
 
@@ -188,7 +198,7 @@ to build configuration files in `/etc`).  This means, among other
 things, that it is easy to roll back the entire configuration of the
 system to an earlier state.  Also, users can install software without
 root privileges.  For more information and downloads, see the [NixOS
-homepage][site].
+homepage][nix].
 
 ## License
 
@@ -197,5 +207,5 @@ option) any later
 version][license].
 
 [license]: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
-[nix]: https://nixos.org
+[pkg]: https://install.determinate.systems/determinate-pkg/stable/Universal
 [site]: https://nixos.org

doc/manual/source/quick-start.md

@@ -4,7 +4,7 @@ This chapter is for impatient people who don't like reading documentation.
 For more in-depth information you are kindly referred to subsequent chapters.
 
 1. Install Nix.
-   We recommend that macOS users install Determinate Nix using [Determinate.pkg][pkg].
+   We recommend that macOS users install Determinate Nix using our graphical installer, [Determinate.pkg][pkg].
    For Linux and Windows Subsystem for Linux (WSL) users:
 
    ```console