diff --git a/install_perccli.sh b/install_perccli.sh
index bc5d50e..cc09943 100644
--- a/install_perccli.sh
+++ b/install_perccli.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 # ------------------------------------------------------------------------------------------------
 # Script to download, extract, and install the Dell PERCCLI utility on a Linux system.
-# Note: This script requires 'wget', 'tar', and typically 'sudo' for the final installation step.
+# Note: This script requires 'wget' and 'tar'. It assumes execution as 'root' (no 'sudo' needed).
 # ------------------------------------------------------------------------------------------------
 
 # --- Configuration ---
@@ -35,46 +35,47 @@ fi
 echo "Extraction complete to $TEMP_DIR."
 
 # 3. Locate the installation package
-# Dell archives usually contain nested directories (e.g., Linux/RHEL/RPMS or Linux/DEB).
-# This finds the first .rpm or .deb file in the extracted contents.
-PACKAGE_FILE=$(find "$TEMP_DIR" -type f \( -name "*.rpm" -o -name "*.deb" \) | head -n 1)
+# IMPORTANT CHANGE: Prioritizing .deb files as Proxmox (Debian) is the target OS.
+PACKAGE_FILE=$(find "$TEMP_DIR" -type f \( -name "*.deb" -o -name "*.rpm" \) | head -n 1)
 
 if [ -z "$PACKAGE_FILE" ]; then
-    echo "ERROR: Could not find any .rpm or .deb installation package within the archive."
+    echo "ERROR: Could not find any .deb or .rpm installation package within the archive."
     echo "Please navigate to '$TEMP_DIR' and install the appropriate package manually."
     exit 1
 fi
 
 echo "3. Found package file: $PACKAGE_FILE"
 
-# 4. Install the package using the appropriate command (requires sudo)
-echo "4. Attempting to install the package. This step requires 'sudo'."
+# 4. Install the package using the appropriate command (no 'sudo' needed as running as root)
+echo "4. Attempting to install the package."
 
 INSTALL_SUCCESS=0
 
-if [[ "$PACKAGE_FILE" == *.rpm ]]; then
-    echo "Detected RPM package. Trying to install with 'rpm -ivh'..."
-    if command -v rpm >/dev/null 2>&1; then
-        sudo rpm -ivh "$PACKAGE_FILE"
-        INSTALL_SUCCESS=$?
-    else
-        # FIX: Explicitly setting INSTALL_SUCCESS=1 if the command is not found
-        echo "ERROR: 'rpm' command not found. This indicates you may be running a Debian-based system (like Ubuntu)."
-        echo "Please install the 'rpm' package manually, or if you are on Debian/Ubuntu, consider installing 'alien' to convert the package."
-        INSTALL_SUCCESS=1
-    fi
-elif [[ "$PACKAGE_FILE" == *.deb ]]; then
+if [[ "$PACKAGE_FILE" == *.deb ]]; then
     echo "Detected DEB package. Trying to install with 'dpkg -i'..."
     if command -v dpkg >/dev/null 2>&1; then
-        sudo dpkg -i "$PACKAGE_FILE"
+        # Removed 'sudo'
+        dpkg -i "$PACKAGE_FILE"
         INSTALL_SUCCESS=$?
     else
-        # FIX: Explicitly setting INSTALL_SUCCESS=1 if the command is not found
-        echo "ERROR: 'dpkg' command not found. Please install the package manager manually."
+        # Explicitly setting INSTALL_SUCCESS=1 if the command is not found
+        echo "ERROR: 'dpkg' command not found. Please ensure the package manager is available."
+        INSTALL_SUCCESS=1
+    fi
+elif [[ "$PACKAGE_FILE" == *.rpm ]]; then
+    echo "Detected RPM package. Trying to install with 'rpm -ivh'..."
+    if command -v rpm >/dev/null 2>&1; then
+        # Removed 'sudo'
+        rpm -ivh "$PACKAGE_FILE"
+        INSTALL_SUCCESS=$?
+    else
+        # Explicitly setting INSTALL_SUCCESS=1 if the command is not found
+        echo "ERROR: 'rpm' command not found. This confirms you are running a Debian-based system (like Proxmox/Ubuntu)."
+        echo "Please install the 'rpm' package manually, or if running Proxmox, use 'apt install alien' to convert the package to .deb and install it."
         INSTALL_SUCCESS=1
     fi
 else
-    echo "ERROR: Found file $PACKAGE_FILE is neither .rpm nor .deb. Manual installation is required."
+    echo "ERROR: Found file $PACKAGE_FILE is neither .deb nor .rpm. Manual installation is required."
     INSTALL_SUCCESS=1
 fi