diff --git a/INSTALL.md b/INSTALL.md
index 454e82c..8e19b8e 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -1,5 +1,14 @@
-Dangerzone is available for:
+## MacOS
+See instructions on [README.md](README.md).
 
+## Windows
+See instructions on [README.md](README.md).
+
+## Linux
+On Linux, Dangerzone uses [Podman](https://podman.io/) instead of Docker Desktop for creating
+an isolated environment. It will be installed automatically when installing Dangerzone.
+
+Dangerzone is available for:
 - Ubuntu 23.04 (lunar)
 - Ubuntu 22.04 (jammy)
 - Ubuntu 20.04 (focal)
diff --git a/README.md b/README.md
index fb8cfc0..c310291 100644
--- a/README.md
+++ b/README.md
@@ -12,13 +12,28 @@ _Read more about Dangerzone in the [official site](https://dangerzone.rocks/abou
 
 ## Getting started
 
+### MacOS
 - Download [Dangerzone 0.4.2 for Mac (Apple Silicon CPU)](https://github.com/freedomofpress/dangerzone/releases/download/v0.4.2/Dangerzone-0.4.2-arm64.dmg)
 - Download [Dangerzone 0.4.2 for Mac (Intel CPU)](https://github.com/freedomofpress/dangerzone/releases/download/v0.4.2/Dangerzone-0.4.2-i686.dmg)
-- Download [Dangerzone 0.4.2 for Windows](https://github.com/freedomofpress/dangerzone/releases/download/v0.4.2/Dangerzone-0.4.2.msi)
-- See [installing Dangerzone](INSTALL.md) for Linux repositories
 
 You can also install Dangerzone for Mac using [Homebrew](https://brew.sh/): `brew install --cask dangerzone`
 
+> **Note**: you willl also need to install [Docker Desktop](https://www.docker.com/products/docker-desktop/).
+> This program needs to run alongside Dangerzone at all times, since it is what allows Dangerzone to
+> create the secure environment.
+
+### Windows
+
+- Download [Dangerzone 0.4.2 for Windows](https://github.com/freedomofpress/dangerzone/releases/download/v0.4.2/Dangerzone-0.4.2.msi)
+
+> **Note**: you will also need to install [Docker Desktop](https://www.docker.com/products/docker-desktop/).
+> This program needs to run alongside Dangerzone at all times, since it is what allows Dangerzone to
+> create the secure environment.
+
+### Linux
+
+See [installing Dangerzone](INSTALL.md) for adding the Linux repositories to your system.
+
 ## Some features
 
 - Sandboxes don't have network access, so if a malicious document can compromise one, it can't phone home