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+
+# INSTALL.md
+
+## Node.js & npm Installation Guide
+
+
+## 1. Arch Linux / Manjaro
+
+```bash
+# Update package database
+sudo pacman -Syu
+
+# Install Node.js and npm
+sudo pacman -S nodejs npm
+
+# Verify installation
+node -v
+npm -v
+````
+
+---
+
+## 2. Debian / Ubuntu
+
+```bash
+# Update package database and install curl
+sudo apt update
+sudo apt install -y curl
+
+# Install nvm (Node Version Manager)
+curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.4/install.sh | bash
+
+# Load nvm
+export NVM_DIR="$HOME/.nvm"
+[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
+
+# Install latest Node.js and npm
+nvm install node
+
+# Verify installation
+node -v
+npm -v
+```
+
+---
+
+## 3. CentOS / RHEL
+
+```bash
+# Install curl if missing
+sudo yum install -y curl
+
+# Install nvm
+curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.4/install.sh | bash
+
+# Load nvm
+export NVM_DIR="$HOME/.nvm"
+[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
+
+# Install latest Node.js and npm
+nvm install node
+
+# Verify installation
+node -v
+npm -v
+```
+
+---
+
+## 4. Fedora
+
+```bash
+# Update system
+sudo dnf update -y
+
+# Install Node.js and npm from modules
+sudo dnf module list nodejs       # Check available versions
+sudo dnf module enable nodejs:18  # Example: enable Node 18 LTS
+sudo dnf install -y nodejs npm
+
+# Verify installation
+node -v
+npm -v
+```
+
+---
+
+## 5. openSUSE
+
+```bash
+# Refresh repositories
+sudo zypper refresh
+
+# Install Node.js and npm
+sudo zypper install -y nodejs npm
+
+# Verify installation
+node -v
+npm -v
+```
+
+---
+
+## 6. Using nvm (Optional, Recommended)
+
+`nvm` allows installing multiple Node.js versions and switching between them easily:
+
+```bash
+# Install nvm
+curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.4/install.sh | bash
+
+# Load nvm
+export NVM_DIR="$HOME/.nvm"
+[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
+
+# Install latest Node.js and npm
+nvm install node
+
+# Or install latest LTS version
+nvm install --lts
+
+# Switch Node versions
+nvm use node
+
+# Verify installation
+node -v
+npm -v
+```
+