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+**In order for this to work, you MUST have Java 8 installed!**
+
+Once you have downloaded and placed Geyser into its own folder, you will need to create a startup script; similar to how you'd run a Bukkit server.
+
+### Windows
+* Create a new text file, and call it `run.bat`. Open this with a text editor (preferably Notepad++), and insert the text below:
+```bash
+java -Xms512M -jar Geyser.jar
+```
+* Double-click the **run.bat**, and Geyser should start up. Geyser will generate all the needed files.
+
+
+### macOS
+* Create a text file called **run.command**, and open it with a text editor such as TextEdit or TextMate. Type the text below into the **run.command** file:
+```sh
+#!/bin/bash cd "$( dirname "$0" )" java -Xms5124M -jar Geyser.jar
+```
+* Open Terminal, and type in `chmod a+x` **(Do NOT press return!)**, and drag your *run.command* file into the Terminal.
+* Press return on your keyboard, and Geyser will start up. Geyser will generate all the needed files.
+
+
+### Linux
+* Create a file called *run.sh*, and open it with a text editor. Type the text below into your `run.sh` file:
+```sh
+#!/bin/sh BINDIR=$(dirname "$(readlink -fn "$0")") cd "$BINDIR" java -jar Geyser.jar
+```
+* In your default terminal application, make the file executable by running `chmod +x ~(dir)/run.sh` where `dir` is the name of the folder Geyser is in, or by changing the file permissions;
+* Open your default terminal application, and type `chmod +x ~/(dir)/run.sh` to run Geyser. Geyser will generate all the needed files.
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