Update README.md

Author: Shikakiben

README.md

@@ -11,25 +11,19 @@
 ## Requirements (manual installation)
 
 - [Node.js](https://nodejs.org/) (>=20, 22 recommended)
-- [AM](https://github.com/ivan-hc/AM) installed and available in your system PATH
 
-*Electron, npm, node-pty, undici, etc. are installed automatically via `npm install`.*
+if you d'ont have it on your package manager see: https://nodejs.org/fr/download
 
-### Native modules (node-pty): required build tools
+- you may need to install the following build tools 
 
-you may need to install the following build tools (for git and maybe more):
-
-- **Debian/Ubuntu**:
+ **Debian/Ubuntu**:
    ```bash
    sudo apt install build-essential python3 make gcc g++
    ```
-- **Fedora**:
+ **Fedora**:
    ```bash
    sudo dnf install @development-tools python3
    ```
-
-On most development machines, these tools are already present. If you get a compilation error during `npm install` , install the tools for your distribution as shown above.
-
 ---
 
 ## Installation
@@ -47,12 +41,12 @@ npx electron-rebuild
 
 ## Usage
 
-1. Make sure `AM` or `appman` is installed and functional (`am -l` or `appman -l` should return the list of applications).
-2. Launch the app:
+1. Launch the app:
 
 ```bash
 npm start
 ```
+2. follow AM/AppMan installation if you don't have it already on your system
 
 3. Browse, install, or uninstall the AppImage applications of your choice.