diff --git a/README.md b/README.md
index d538cc5..bc312dd 100644
--- a/README.md
+++ b/README.md
@@ -1,13 +1,18 @@
 # TLauncher
-This is a repo that i made to install TLauncher on Arch Linux directly from their [site](https://tlauncher.org/), but i didn't figure it out yet how to update TLauncher.
+This is a repo that i made to install TLauncher on Arch Linux directly from their [site](https://tlauncher.org/).
 
 ## How to install
 
-1.
-```c 
-chmod +x ./install.sh
-```
-2. 
-```c
-./install.sh
-```
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+1. Change the permissions of the script
+    ```c 
+    chmod +x ./install.sh
+    ```
+2. Install tlauncher
+    ```c
+    ./install.sh
+    ```
+
+## Usage
+After the installation, you can just type `tlauncher` in the terminal to launch tlauncher.
+
+If you wanna update type `tlauncher --update` or `tlauncher -u`, for downloading the last version of tlauncher _(It's not the best way of doing this, but it will do it for now)_. 
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diff --git a/src/tlauncher b/src/tlauncher
index 9dcd615..d6f78b6 100755
--- a/src/tlauncher
+++ b/src/tlauncher
@@ -1,2 +1,22 @@
 #!/bin/bash
-java -jar /usr/share/tlauncher/tlauncher.jar
+
+function update() {
+  wget https://tlauncher.org/jar -P /tmp
+  unzip /tmp/jar -d /tmp/tlauncher
+  sudo mv /tmp/tlauncher/*.jar /usr/share/tlauncher/tlauncher.jar
+  rm /tmp/jar
+  rm -rf /tmp/tlauncher/
+}
+
+
+while [[ "$1" ]]; do
+  case "$1" in
+    "--update" | "-u")
+      update 
+      ;;
+    *)
+      java -jar /usr/share/tlauncher/tlauncher.jar
+      ;;
+  esac
+  shift
+done
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