Update Downloads-Installs.md

wiki/Downloads-Installs.md

@@ -2,6 +2,8 @@
 You can download and install the current GAM7 release from the [GitHub Releases](https://github.com/GAM-team/GAM/releases/latest) page.
 Choose one of the following:
 
+## Executable, Automatic
+
 * Executable Archive, Automatic, Linux/Mac OS/Google Cloud Shell/Raspberry Pi/ChromeOS
   - Start a terminal session and execute one of the following commands:
   - New install, default path `$HOME/bin`
@@ -16,6 +18,11 @@ Choose one of the following:
 By default, a folder, `gam7`, is created in the default or specified path and the files are downloaded into that folder.
 Add the `-s` option to the end of the above commands to suppress creating the `gam7` folder; the files are downloaded directly into the default or specified path.
 
+If, when executing one of the above commands, you get an error message stating that Python is not installed,
+go here [Python](https://www.python.org/downloads/) and download/install Python.
+
+## Executable, Manual
+
 * Executable Archive, Manual, Linux/Google Cloud Shell
   - `gam-7.wx.yz-linux-x86_64-glibc2.35.tar.xz`
   - `gam-7.wx.yz-linux-x86_64-glibc2.39.tar.xz`
@@ -65,6 +72,8 @@ Add the `-s` option to the end of the above commands to suppress creating the `g
   - Download the installer and run it.
   - Start a Command Prompt/PowerShell session.
 
+## Source
+
 * Source, all platforms
   - `Source code(zip)`
   - `Source code(tar.gz)`