Move Kindlegen section to top

Installation.md

@@ -1,6 +1,6 @@
-### 7-Zip
+# 7-Zip
 
-##### Windows
+## Windows
 
 First install 7z from https://www.7-zip.org/ or with command line:
 ```
@@ -14,13 +14,30 @@ setx path "%path%;C:\Program Files\7-Zip"
 ```
 
 Be sure to close and re-open KCC so it sees the updated PATH.
-##### Mac
+## Mac
 with [Homebrew](https://brew.sh/) installed
 ```
-$ brew update
 $ brew install p7zip
 ```
 
+# Kindlegen
+
+## Windows
+
+Move `kindlegen.exe` from Kindle Previewer into the same folder as KCC.
+
+## Mac
+And to fix the KindleGen missing warning, with [Homebrew](https://brew.sh/) installed:
+
+```bash
+brew install --cask kindle-previewer
+sudo cp "/Applications/Kindle Previewer 3.app/Contents/lib/fc/bin/kindlegen" /usr/local/bin/
+```
+or 
+```bash
+brew install --cask kindle-comic-creator
+```
+
 ### DOWNLOADS
 You can find the latest binary at the following link:
 
@@ -45,18 +62,6 @@ xattr -d com.apple.quarantine /Applications/Kindle\ Comic\ Converter.app
 xattr -d com.apple.quarantine -- /Applications/Kindle\ Comic\ Converter.app/Contents/Resources/7z
 ```
 
-###### KindleGen
-And to fix the KindleGen missing warning, with [Homebrew](https://brew.sh/) installed:
-
-```bash
-brew install --cask kindle-previewer
-sudo cp "/Applications/Kindle Previewer 3.app/Contents/lib/fc/bin/kindlegen" /usr/local/bin/
-```
-or 
-```bash
-brew install --cask kindle-comic-creator
-```
-
 ##### M1/M2 arm64 version
 
 Building is not available in github on M1 arch.