diff --git a/install_scripts/install_all_dependencies.bat b/install_scripts/install_all_dependencies.bat
new file mode 100644
index 0000000000..afa13adc55
--- /dev/null
+++ b/install_scripts/install_all_dependencies.bat
@@ -0,0 +1,84 @@
+@echo off
+setlocal EnableDelayedExpansion
+
+REM Install Python dependencies from requirements files at the OctoBot repo root
+REM and under OctoBot\packages (any subdirectory).
+REM PKG_IGNORE_DIRS: space-separated basenames under packages\ to skip (blacklist). Default: binary
+REM dev_requirements.txt under packages\ is ignored; repo root dev_requirements.txt is used.
+REM One pip install with multiple -r flags.
+
+cd /d "%~dp0.."
+set "OCTOBOT_ROOT=%CD%"
+set "PKG_IGNORE_DIRS=binary"
+
+set "PY="
+where python3 >nul 2>&1 && set "PY=python3"
+if not defined PY where python >nul 2>&1 && set "PY=python"
+if not defined PY (
+  echo error: neither python3 nor python found in PATH 1>&2
+  exit /b 1
+)
+
+set "REQ_ALL=%TEMP%\octobot_all_req_%RANDOM%_%RANDOM%.txt"
+(type nul)>"%REQ_ALL%"
+
+if exist "%OCTOBOT_ROOT%\full_requirements.txt" >>"%REQ_ALL%" echo %OCTOBOT_ROOT%\full_requirements.txt
+if exist "%OCTOBOT_ROOT%\requirements.txt" >>"%REQ_ALL%" echo %OCTOBOT_ROOT%\requirements.txt
+if exist "%OCTOBOT_ROOT%\dev_requirements.txt" >>"%REQ_ALL%" echo %OCTOBOT_ROOT%\dev_requirements.txt
+
+set "PACKAGES_DIR=%OCTOBOT_ROOT%\packages"
+if exist "%PACKAGES_DIR%" (
+  set "REQ_PKG=%TEMP%\octobot_pkg_!RANDOM!_!RANDOM!.txt"
+  (type nul)>"!REQ_PKG!"
+  set "LIST_OUT=!REQ_PKG!"
+  for /r "%PACKAGES_DIR%" %%F in (full_requirements.txt) do call :append_if_not_blacklisted "%%F"
+  for /r "%PACKAGES_DIR%" %%F in (requirements.txt) do call :append_if_not_blacklisted "%%F"
+  sort "!REQ_PKG!" /o "!REQ_PKG!.sorted"
+  type "!REQ_PKG!.sorted" >>"%REQ_ALL%"
+  del "!REQ_PKG!" "!REQ_PKG!.sorted" 2>nul
+  set "LIST_OUT="
+)
+
+set "REQ_PIP_FLAGS=install"
+set "CNT=0"
+for /f "usebackq delims=" %%F in ("%REQ_ALL%") do call :add_one_req "%%F"
+
+if !CNT! equ 0 (
+  echo Nothing to install - no requirements files found.
+  del "%REQ_ALL%" 2>nul
+  exit /b 0
+)
+
+echo.
+echo Requirements files used ^(!CNT! total^), in pip order:
+set "LI=0"
+for /f "usebackq delims=" %%F in ("%REQ_ALL%") do call :log_req_line "%%F"
+echo.
+echo Running pip install with all -r files above.
+"%PY%" -m pip !REQ_PIP_FLAGS!
+set "RC=!ERRORLEVEL!"
+del "%REQ_ALL%" 2>nul
+exit /b !RC!
+
+:log_req_line
+if not exist "%~1" exit /b 0
+set /a LI+=1
+echo   !LI!. %~1
+exit /b 0
+
+:add_one_req
+if not exist "%~1" exit /b 0
+for %%I in ("%~1") do set "REQ_PIP_FLAGS=!REQ_PIP_FLAGS! -r %%I"
+set /a CNT+=1
+exit /b 0
+
+:append_if_not_blacklisted
+set "OBPATH=%~1"
+for %%B in (%PKG_IGNORE_DIRS%) do call :path_under_blacklisted_pkg "%%B" && exit /b 0
+>>"%LIST_OUT%" echo(!OBPATH!
+exit /b 0
+
+:path_under_blacklisted_pkg
+call set "T=%%OBPATH:\packages\%~1\=%%"
+if not "!T!"=="!OBPATH!" exit /b 0
+exit /b 1
diff --git a/install_scripts/install_all_dependencies.sh b/install_scripts/install_all_dependencies.sh
new file mode 100644
index 0000000000..4bbbac5843
--- /dev/null
+++ b/install_scripts/install_all_dependencies.sh
@@ -0,0 +1,78 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Install Python dependencies from requirements files at the OctoBot repo root
+# and under OctoBot/packages (any subdirectory).
+# Ignores requirement files under packages/<dir>/ for each name in PACKAGES_IGNORE_DIRS.
+# dev_requirements.txt under packages/ is ignored; repo root dev_requirements.txt is used.
+# One pip install with multiple -r flags.
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+OCTOBOT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
+PACKAGES_DIR="$OCTOBOT_ROOT/packages"
+
+# Basenames under packages/ to skip (blacklist). Example: (binary other_pkg)
+PACKAGES_IGNORE_DIRS=(binary)
+
+packages_path_is_blacklisted() {
+  local f="$1"
+  local d
+  for d in "${PACKAGES_IGNORE_DIRS[@]}"; do
+    if [[ "$f" == *"/packages/${d}/"* ]]; then
+      return 0
+    fi
+  done
+  return 1
+}
+
+if command -v python3 >/dev/null 2>&1; then
+  PIP=(python3 -m pip)
+elif command -v python >/dev/null 2>&1; then
+  PIP=(python -m pip)
+else
+  echo "error: neither python3 nor python found in PATH" >&2
+  exit 1
+fi
+
+req_files=()
+for name in full_requirements.txt requirements.txt dev_requirements.txt; do
+  path="$OCTOBOT_ROOT/$name"
+  if [[ -f "$path" ]]; then
+    req_files+=("$path")
+  fi
+done
+
+if [[ -d "$PACKAGES_DIR" ]]; then
+  while IFS= read -r file; do
+    [[ -n "$file" ]] || continue
+    if packages_path_is_blacklisted "$file"; then
+      continue
+    fi
+    req_files+=("$file")
+  done < <(
+    find "$PACKAGES_DIR" -type f \( \
+      -name full_requirements.txt -o \
+      -name requirements.txt \
+    \) -print | LC_ALL=C sort
+  )
+fi
+
+if [[ ${#req_files[@]} -eq 0 ]]; then
+  echo "Nothing to install (no requirements files found)."
+  exit 0
+fi
+
+echo ""
+echo "Requirements files used (${#req_files[@]} total), in pip order:"
+i=1
+for f in "${req_files[@]}"; do
+  printf '  %2d. %s\n' "$i" "$f"
+  i=$((i + 1))
+done
+echo ""
+echo "Running pip install with all -r files above."
+args=()
+for f in "${req_files[@]}"; do
+  args+=(-r "$f")
+done
+"${PIP[@]}" install "${args[@]}"