diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,16 +1,29 @@
 Just start Minecraft. **Does not download assets.**
 
 # Prerequisites:
-- All the stuff you need to play Minecraft
-- 7z.exe/7z.dll
-- Python 3.x (3.4 and up are supported, lower may work)
+> ### All the stuff you need to play Minecraft
+> Java, etc...
 
-# Usage:
-- Start MinecraftLauncher.py
+> ### 7-zip (for extracting natives)
+> **Debian:** `apt install p7zip`  
+> **Windows:** https://www.7-zip.org/download.html - Copy 7z.exe/7z.dll to the same folder as the launcher.
+
+> ### Python 3.x
+> (3.4 is supported, lower may work)  
+> **Debian:** `apt install python3`  
+> **Windows:** https://www.python.org/downloads/ (use 3.8.x on Win7, 3.4.4 on WinXP)
+
+# Simple usage:
+- Edit `offline-minecraft-launcher.ini` to your liking
+- Start `offline-minecraft-launcher.py`
 - Enter data
 - Profit
 
 # Commandline:
-You can automize entering the data by using commandline arguments. Each argument works like this: key=value
+You can automatize entering the data by using commandline arguments. Each argument works like this: key=value - These act like the settings in the ini, and will replace corresponding settings in the ini.
 - **name:** Your player name
-- **version:** The version ID of the game you wanna start
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+- **version:** The ID of the version you wanna start (Example: b1.8.1)
+- **console:** Whether to show console output (1/0)
+- **osName:** Override your OS in case it isn't detected (windows/linux/macos)
+- **jvmArguments:** The arguments to use to launch your JVM, json formatted - You may need to escape "
+- **java:** The path to the java executable. Try not to append a file ending, as `w` will be added, if console is 0
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