diff --git a/Rename-Multiple-Files/README.md b/Rename-Multiple-Files/README.md
new file mode 100644
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+++ b/Rename-Multiple-Files/README.md
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+### [English](#EN)
+
+### [Russian](#RU)
+
+# EN
+
+### Script for rename multiple files
+
+Tested in Python version 3.11.2, but it must working in version 3.5 and above.
+
+### Run
+
+GNU\Linux: `$(which python3) main.py`
+
+Windows: `C:\\Path\\to\\Python3\\Python3.exe main.py`
+
+Folders structure:
+
+```
+main.py
+root/
+   |
+   |--- folder1
+   |          |
+   |          |- file1.txt
+   |          |- file2.txt
+   |          |- file2.txt
+   |
+   |--- folder2
+   |          |
+   |          |- file1.txt
+   |          |- file2.txt
+   |          |- file2.txt
+   |
+   |--- folder3
+   |          |
+   |          |- file1.txt
+   |          |- file2.txt
+   |          |- file2.txt
+```
+
+Output files structure:
+
+```
+folder1/folder1-1.txt
+folder1/folder1-2.txt
+folder1/folder1-3.txt
+
+folder2/folder2-1.txt
+folder2/folder2-2.txt
+folder2/folder2-3.txt
+
+folder3/folder3-1.txt
+folder3/folder3-2.txt
+folder3/folder3-3.txt
+```
+
+Maybe set outher symbol for `DESTINATION_FILE_DELIMITER` param or just leave blank `DESTINATION_FILE_DELIMITER = ''`
+
+# RU
+
+### Скрипт для переименования большого количества файлов
+
+Тестировался на Python версии 3.11.2, но должен работать на версиях выше 3.5.
+
+### Запуск
+
+GNU\Linux: `$(which python3) main.py`
+
+Windows: `C:\\Path\\to\\Python3\\Python3.exe main.py`
+
+Структура папок:
+
+```
+main.py
+root/
+   |
+   |--- папка1
+   |         |
+   |         |- файл1.txt
+   |         |- файл2.txt
+   |         |- файл2.txt
+   |
+   |--- папка2
+   |         |
+   |         |- файл1.txt
+   |         |- файл2.txt
+   |         |- файл2.txt
+   |
+   |--- папка3
+   |         |
+   |         |- файл1.txt
+   |         |- файл2.txt
+   |         |- файл2.txt
+```
+
+Скрипт переименует файлы в папках так:
+
+```
+папка1/папка1-1.txt
+папка1/папка1-2.txt
+папка1/папка1-3.txt
+
+папка2/папка2-1.txt
+папка2/папка2-2.txt
+папка2/папка2-3.txt
+
+папка3/папка3-1.txt
+папка3/папка3-2.txt
+папка3/папка3-3.txt
+```
+
+В случае необходимости можно поменять `DESTINATION_FILE_DELIMITER` на нужный символ или вообще оставить пустым `DESTINATION_FILE_DELIMITER = ''`
diff --git a/Rename-Multiple-Files/main.py b/Rename-Multiple-Files/main.py
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+++ b/Rename-Multiple-Files/main.py
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+import os
+import platform
+
+
+ROOT_DIR = os.getcwd() + '/root'
+PATH_DELIMITER = ''
+DESTINATION_FILE_DELIMITER = '-'
+COUNTER = 0
+
+
+if (platform.system() == 'Linux') or (platform.system() == 'Darwin'):
+    PATH_DELIMITER = '/'
+elif (platform.system() == 'Windows'):
+    PATH_DELIMITER = '\\'
+
+for current_dir in os.listdir(ROOT_DIR):
+    subdir = ROOT_DIR + PATH_DELIMITER + current_dir
+    if os.path.isdir(subdir):
+        print('Now working with: "' + subdir + '" directory')
+        COUNTER = 0
+        for current_file in os.listdir(subdir):
+            COUNTER += 1
+            current_file_full_path = subdir + PATH_DELIMITER + current_file
+            renamed_file_full_path = subdir + PATH_DELIMITER + current_dir + DESTINATION_FILE_DELIMITER + str(COUNTER) + '.' + current_file.split('.')[-1]
+            try:
+                os.rename(current_file_full_path, renamed_file_full_path)
+            except Exception as e:
+                print('Error occurred because: ' + e)