Update installation.md

docs/installation.md

@@ -1,16 +1,38 @@
 # Installation
 
+[Uninstall](#uninstallation) the previous version, if any
+
 ## Windows
 
 Go to the [latest release](https://github.com/IISERM/PaperBuilder/releases/latest) and download `PaperBuilder-Setup.exe`. Run it. You can basically click through without much thought or changes. It will install PaperBuilder and Pandoc. It will also link you to MikTex installation.
 
-## Linux
+## Linux-Ubuntu
 
 Go to the [latest release](https://github.com/IISERM/PaperBuilder/releases/latest) and download `PaperBuilder-Setup.sh`. Run `bash PaperBuilder-Setup.sh` to install all dependencies (pandoc, texlive, python).
 
 ## I'm too smart for installers
 
 1. Install python3.7+, a latex compiler, and pandoc. Add all to path.
 2. Go to [latest release](https://github.com/IISERM/PaperBuilder/releases/latest) and download any of the `source-files` archive.
-3. Extract to a folder of your choice. Add folder to path.
+3. Extract to a folder of your choice. Add folder to PATH.
 4. Run as `PaperBuilder.py --help`
+
+# Uninstallation
+
+## Windows
+
+Either uninstall from the Control Panel, Settings, or run `PaperBuilder uninstall`. This will NOT uninstall MikTex
+
+## Linux-Ubuntu
+
+Run the following:
+
+1. `rm -rf ~/.paperbuilder`
+2. `sudo apt autoremove texlive-latex-extra pandoc`
+3. Edit `~/.bashrc` to remove the `pprb` alias
+
+## Non Standard installation
+
+1. Remove the extracted folder
+2. Uninstall Python3.7, the latex compiler and pandoc
+3. Also remove paths from PATH.