diff --git a/tools/pve/post-pdm-install.sh b/tools/pve/post-pdm-install.sh
new file mode 100644
index 000000000..fd8f91487
--- /dev/null
+++ b/tools/pve/post-pdm-install.sh
@@ -0,0 +1,422 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: MickLesk (CanbiZ)
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+
+header_info() {
+  clear
+  cat <<"EOF"
+    ____  ____  __  ___   ____             __     ____           __        ____
+   / __ \/ __ \/  |/  /  / __ \____  _____/ /_   /  _/___  _____/ /_____ _/ / /
+  / /_/ / / / / /|_/ /  / /_/ / __ \/ ___/ __/   / // __ \/ ___/ __/ __ `/ / /
+ / ____/ /_/ / /  / /  / ____/ /_/ (__  ) /_   _/ // / / (__  ) /_/ /_/ / / /
+/_/   /_____/_/  /_/  /_/    \____/____/\__/  /___/_/ /_/____/\__/\__,_/_/_/
+
+EOF
+}
+
+RD=$(echo "\033[01;31m")
+YW=$(echo "\033[33m")
+GN=$(echo "\033[1;92m")
+CL=$(echo "\033[m")
+BFR="\\r\\033[K"
+HOLD="-"
+CM="${GN}✓${CL}"
+CROSS="${RD}✗${CL}"
+
+set -euo pipefail
+shopt -s inherit_errexit nullglob
+
+msg_info() {
+  local msg="$1"
+  echo -ne " ${HOLD} ${YW}${msg}..."
+}
+
+msg_ok() {
+  local msg="$1"
+  echo -e "${BFR} ${CM} ${GN}${msg}${CL}"
+}
+
+msg_error() {
+  local msg="$1"
+  echo -e "${BFR} ${CROSS} ${RD}${msg}${CL}"
+}
+
+# Telemetry
+source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/api.func) 2>/dev/null || true
+declare -f init_tool_telemetry &>/dev/null && init_tool_telemetry "post-pdm-install" "pve"
+
+if ! dpkg -s proxmox-datacenter-manager >/dev/null 2>&1; then
+  msg_error "This script is only intended for Proxmox Datacenter Manager"
+  exit 232
+fi
+
+repo_state() {
+  # $1 = component name (e.g. pdm-enterprise, pdm-no-subscription, pdm-test)
+  local repo="$1"
+  local file=""
+  local state="missing"
+  for f in /etc/apt/sources.list /etc/apt/sources.list.d/*.list /etc/apt/sources.list.d/*.sources; do
+    [[ -f "$f" ]] || continue
+    if grep -q "$repo" "$f"; then
+      file="$f"
+      if [[ "$f" == *.sources ]]; then
+        if grep -qiE '^Enabled:\s*(no|false)' "$f"; then
+          state="disabled"
+        else
+          state="active"
+        fi
+      else
+        if grep -qE "^[^#].*${repo}" "$f"; then
+          state="active"
+        elif grep -qE "^#.*${repo}" "$f"; then
+          state="disabled"
+        fi
+      fi
+      break
+    fi
+  done
+  echo "$state $file"
+}
+
+toggle_repo() {
+  # $1 = file, $2 = action (enable|disable)
+  local file="$1" action="$2"
+  if [[ "$file" == *.sources ]]; then
+    if [[ "$action" == "disable" ]]; then
+      if grep -qiE '^Enabled:' "$file"; then
+        sed -i 's/^Enabled:.*/Enabled: false/' "$file"
+      else
+        echo "Enabled: false" >>"$file"
+      fi
+    else
+      sed -i 's/^Enabled:.*/Enabled: true/' "$file"
+    fi
+  else
+    if [[ "$action" == "disable" ]]; then
+      sed -i '/^[^#]/s/^/# /' "$file"
+    else
+      sed -i 's/^# *//' "$file"
+    fi
+  fi
+}
+
+start_routines() {
+  header_info
+  VERSION="$(awk -F'=' '/^VERSION_CODENAME=/{ print $NF }' /etc/os-release)"
+
+  # ---- SOURCES ----
+  CHOICE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "PDM SOURCES" --menu \
+    "This will set the correct Debian sources for Proxmox Datacenter Manager.\n\nCorrect sources?" 14 58 2 \
+    "yes" " " \
+    "no" " " 3>&2 2>&1 1>&3)
+  case $CHOICE in
+  yes)
+    msg_info "Correcting Debian Sources"
+    cat <<EOF >/etc/apt/sources.list.d/debian.sources
+Types: deb
+URIs: http://deb.debian.org/debian/
+Suites: ${VERSION} ${VERSION}-updates
+Components: main contrib non-free-firmware
+Signed-By: /usr/share/keyrings/debian-archive-keyring.gpg
+
+Types: deb
+URIs: http://security.debian.org/debian-security/
+Suites: ${VERSION}-security
+Components: main contrib non-free-firmware
+Signed-By: /usr/share/keyrings/debian-archive-keyring.gpg
+EOF
+    rm -f /etc/apt/sources.list
+    msg_ok "Corrected Debian Sources"
+    ;;
+  no) msg_error "Selected no to Correcting Debian Sources" ;;
+  esac
+
+  # ---- PDM-ENTERPRISE ----
+  read -r state file <<<"$(repo_state pdm-enterprise)"
+  case $state in
+  active)
+    CHOICE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "PDM-ENTERPRISE" \
+      --menu "'pdm-enterprise' repository is currently ENABLED.\n\nIt requires a subscription and will fail apt update without one.\n\nWhat do you want to do?" 16 58 3 \
+      "disable" "Disable this repo" \
+      "keep" "Keep as is" \
+      "delete" "Delete repo file" \
+      3>&2 2>&1 1>&3)
+    case $CHOICE in
+    keep) msg_ok "Kept 'pdm-enterprise' repository" ;;
+    disable)
+      msg_info "Disabling 'pdm-enterprise' repository"
+      toggle_repo "$file" disable
+      msg_ok "Disabled 'pdm-enterprise' repository"
+      ;;
+    delete)
+      msg_info "Deleting 'pdm-enterprise' repository file"
+      rm -f "$file"
+      msg_ok "Deleted 'pdm-enterprise' repository file"
+      ;;
+    esac
+    ;;
+  disabled)
+    CHOICE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "PDM-ENTERPRISE" \
+      --menu "'pdm-enterprise' repository is currently DISABLED.\n\nWhat do you want to do?" 14 58 3 \
+      "keep" "Keep disabled" \
+      "enable" "Enable (subscription required)" \
+      "delete" "Delete repo file" \
+      3>&2 2>&1 1>&3)
+    case $CHOICE in
+    enable)
+      msg_info "Enabling 'pdm-enterprise' repository"
+      toggle_repo "$file" enable
+      msg_ok "Enabled 'pdm-enterprise' repository"
+      ;;
+    keep) msg_ok "Kept 'pdm-enterprise' repository disabled" ;;
+    delete)
+      msg_info "Deleting 'pdm-enterprise' repository file"
+      rm -f "$file"
+      msg_ok "Deleted 'pdm-enterprise' repository file"
+      ;;
+    esac
+    ;;
+  missing)
+    CHOICE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "PDM-ENTERPRISE" \
+      --menu "Add 'pdm-enterprise' repository?\n\nOnly for subscription customers." 14 58 2 \
+      "no" " " \
+      "yes" " " \
+      --default-item "no" \
+      3>&2 2>&1 1>&3)
+    case $CHOICE in
+    yes)
+      msg_info "Adding 'pdm-enterprise' repository"
+      cat <<EOF >/etc/apt/sources.list.d/pdm-enterprise.sources
+Types: deb
+URIs: https://enterprise.proxmox.com/debian/pdm
+Suites: ${VERSION}
+Components: pdm-enterprise
+Signed-By: /usr/share/keyrings/proxmox-archive-keyring.gpg
+EOF
+      msg_ok "Added 'pdm-enterprise' repository"
+      ;;
+    no) msg_error "Selected no to Adding 'pdm-enterprise' repository" ;;
+    esac
+    ;;
+  esac
+
+  # ---- PDM-NO-SUBSCRIPTION ----
+  read -r state file <<<"$(repo_state pdm-no-subscription)"
+  case $state in
+  active)
+    CHOICE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "PDM-NO-SUBSCRIPTION" \
+      --menu "'pdm-no-subscription' repository is currently ENABLED.\n\nWhat do you want to do?" 14 58 3 \
+      "keep" "Keep as is" \
+      "disable" "Disable this repo" \
+      "delete" "Delete repo file" \
+      3>&2 2>&1 1>&3)
+    case $CHOICE in
+    keep) msg_ok "Kept 'pdm-no-subscription' repository" ;;
+    disable)
+      msg_info "Disabling 'pdm-no-subscription' repository"
+      toggle_repo "$file" disable
+      msg_ok "Disabled 'pdm-no-subscription' repository"
+      ;;
+    delete)
+      msg_info "Deleting 'pdm-no-subscription' repository file"
+      rm -f "$file"
+      msg_ok "Deleted 'pdm-no-subscription' repository file"
+      ;;
+    esac
+    ;;
+  disabled)
+    CHOICE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "PDM-NO-SUBSCRIPTION" \
+      --menu "'pdm-no-subscription' repository is currently DISABLED.\n\nWhat do you want to do?" 14 58 3 \
+      "enable" "Enable (recommended)" \
+      "keep" "Keep disabled" \
+      "delete" "Delete repo file" \
+      3>&2 2>&1 1>&3)
+    case $CHOICE in
+    enable)
+      msg_info "Enabling 'pdm-no-subscription' repository"
+      toggle_repo "$file" enable
+      msg_ok "Enabled 'pdm-no-subscription' repository"
+      ;;
+    keep) msg_ok "Kept 'pdm-no-subscription' repository disabled" ;;
+    delete)
+      msg_info "Deleting 'pdm-no-subscription' repository file"
+      rm -f "$file"
+      msg_ok "Deleted 'pdm-no-subscription' repository file"
+      ;;
+    esac
+    ;;
+  missing)
+    CHOICE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "PDM-NO-SUBSCRIPTION" \
+      --menu "The 'pdm-no-subscription' repository provides access to all open-source components of Proxmox Datacenter Manager.\n\nAdd 'pdm-no-subscription' repository?" 14 58 2 \
+      "yes" " " \
+      "no" " " \
+      3>&2 2>&1 1>&3)
+    case $CHOICE in
+    yes)
+      msg_info "Adding 'pdm-no-subscription' repository"
+      cat <<EOF >/etc/apt/sources.list.d/proxmox.sources
+Types: deb
+URIs: http://download.proxmox.com/debian/pdm
+Suites: ${VERSION}
+Components: pdm-no-subscription
+Signed-By: /usr/share/keyrings/proxmox-archive-keyring.gpg
+EOF
+      msg_ok "Added 'pdm-no-subscription' repository"
+      ;;
+    no) msg_error "Selected no to Adding 'pdm-no-subscription' repository" ;;
+    esac
+    ;;
+  esac
+
+  # ---- PDM-TEST ----
+  read -r state file <<<"$(repo_state pdm-test)"
+  case $state in
+  active) msg_ok "'pdm-test' repository already active (skipped)" ;;
+  disabled) msg_ok "'pdm-test' repository already disabled (skipped)" ;;
+  missing)
+    CHOICE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "PDM-TEST" \
+      --menu "The 'pdm-test' repository is used by developers to test new features.\n\nAdd (disabled) 'pdm-test' repository?" 14 58 2 \
+      "yes" " " \
+      "no" " " 3>&2 2>&1 1>&3)
+    case $CHOICE in
+    yes)
+      msg_info "Adding 'pdm-test' repository (disabled)"
+      cat <<EOF >/etc/apt/sources.list.d/pdm-test.sources
+Types: deb
+URIs: http://download.proxmox.com/debian/pdm
+Suites: ${VERSION}
+Components: pdm-test
+Signed-By: /usr/share/keyrings/proxmox-archive-keyring.gpg
+Enabled: false
+EOF
+      msg_ok "Added 'pdm-test' repository"
+      ;;
+    no) msg_error "Selected no to Adding 'pdm-test' repository" ;;
+    esac
+    ;;
+  esac
+
+  # ---- SUBSCRIPTION NAG ----
+  CHOICE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "SUBSCRIPTION NAG" --menu \
+    "Disable subscription nag in the PDM UI?" 14 58 2 "yes" " " "no" " " 3>&2 2>&1 1>&3)
+  case $CHOICE in
+  yes)
+    whiptail --backtitle "Proxmox VE Helper Scripts" --msgbox --title "Support Subscriptions" \
+      "Supporting the software's development team is essential.\nPlease consider buying a subscription." 10 58
+    msg_info "Disabling subscription nag"
+    mkdir -p /usr/local/bin
+    cat <<'EOF' >/usr/local/bin/pdm-remove-nag.sh
+#!/bin/sh
+# PDM ships its web UI as a Yew/WASM app in a single JS bundle - there is no
+# proxmoxlib.js and no HTML template to patch, so the dialog is confirmed at
+# runtime instead. The nag gates the update refresh: its on_close callback is
+# what sends RefreshAll, so it must be close()d, never removed from the DOM.
+# Re-applied by the apt hook after every package update.
+BUNDLE=/usr/share/javascript/proxmox-datacenter-manager/js/pdm-ui_bundle.js
+if [ -s "$BUNDLE" ] && ! grep -q PDM_NO_MORE_NAGGING "$BUNDLE"; then
+    echo "Patching PDM subscription nag..."
+    cat >>"$BUNDLE" <<'JS'
+
+// PDM_NO_MORE_NAGGING
+(function () {
+  var MARK = 'data-pdm-nag';
+  var dismiss = function (d) {
+    if (d.getAttribute(MARK)) return;
+    d.setAttribute(MARK, '1');
+    var tries = 12;
+    var tick = function () {
+      if (!d.isConnected || tries-- <= 0) return;
+      try { d.close(); } catch (e) {}
+      setTimeout(tick, 120);
+    };
+    requestAnimationFrame(tick);
+  };
+  var scan = function () {
+    document.querySelectorAll('dialog.pwt-outer-dialog').forEach(function (d) {
+      if ((d.textContent || '').indexOf('pdm.proxmox.com') !== -1) dismiss(d);
+    });
+  };
+  var start = function () {
+    scan();
+    new MutationObserver(scan).observe(document.body, { childList: true, subtree: true });
+  };
+  if (document.body) { start(); } else {
+    document.addEventListener('DOMContentLoaded', start);
+  }
+})();
+JS
+fi
+EOF
+    chmod 755 /usr/local/bin/pdm-remove-nag.sh
+    /usr/local/bin/pdm-remove-nag.sh >/dev/null 2>&1
+
+    cat <<'EOF' >/etc/apt/apt.conf.d/no-nag-script
+DPkg::Post-Invoke { "/usr/local/bin/pdm-remove-nag.sh"; };
+EOF
+    chmod 644 /etc/apt/apt.conf.d/no-nag-script
+    msg_ok "Disabled subscription nag (clear browser cache!)"
+    ;;
+  no)
+    msg_error "Selected no to Disabling subscription nag"
+    rm -f /etc/apt/apt.conf.d/no-nag-script /usr/local/bin/pdm-remove-nag.sh 2>/dev/null
+    apt --reinstall install proxmox-datacenter-manager-ui &>/dev/null || msg_error "UI reinstall failed"
+    ;;
+  esac
+
+  # ---- UPDATE ----
+  CHOICE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "UPDATE" --menu \
+    "Update Proxmox Datacenter Manager now?" 11 58 2 "yes" " " "no" " " 3>&2 2>&1 1>&3)
+  case $CHOICE in
+  yes)
+    msg_info "Updating Proxmox Datacenter Manager (Patience)"
+    apt update &>/dev/null || msg_error "apt update failed"
+    apt -y dist-upgrade &>/dev/null || msg_error "apt dist-upgrade failed"
+    msg_ok "Updated Proxmox Datacenter Manager"
+    ;;
+  no) msg_error "Selected no to updating Proxmox Datacenter Manager" ;;
+  esac
+
+  # ---- REMINDER ----
+  whiptail --backtitle "Proxmox VE Helper Scripts" --title "Post-Install Reminder" --msgbox \
+    "IMPORTANT:
+
+Proxmox Datacenter Manager is still under active development. Do not rely on it as the only management path to your nodes.
+
+After completing these steps, it is strongly recommended to REBOOT.
+
+After the upgrade or post-install routines, always clear your browser cache or perform a hard reload (Ctrl+Shift+R) before using the PDM Web UI to avoid UI display issues." 20 80
+
+  # ---- REBOOT ----
+  CHOICE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "REBOOT" --menu \
+    "Reboot Proxmox Datacenter Manager now? (recommended)" 11 58 2 "yes" " " "no" " " 3>&2 2>&1 1>&3)
+  case $CHOICE in
+  yes)
+    msg_info "Rebooting Proxmox Datacenter Manager"
+    sleep 2
+    msg_ok "Completed Post Install Routines"
+    reboot
+    ;;
+  no)
+    msg_error "Selected no to reboot (Reboot recommended)"
+    msg_ok "Completed Post Install Routines"
+    ;;
+  esac
+}
+
+header_info
+echo -e "\nThis script will Perform Post Install Routines.\n"
+while true; do
+  read -rp "Start the Proxmox Datacenter Manager Post Install Script (y/n)? " yn
+  case $yn in
+  [Yy]*) break ;;
+  [Nn]*)
+    clear
+    exit
+    ;;
+  *) echo "Please answer yes or no." ;;
+  esac
+done
+
+start_routines