python installation problems

The installation package downloaded from the official website, If the installation is successful, you can compile and run
but if you use tkinter, you will not find tcl
and there is no file

in the Scripts folder.

tkinter can not find tcl has found a solution
but ip according to Baidu input python -m ensurepip --default-pip

Traceback (most recent call last):
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python38\Lib\runpy.
py", line 194, in _run_module_as_main
    return _run_code(code, main_globals, None,
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python38\Lib\runpy.
py", line 87, in _run_code
    exec(code, run_globals)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python38\Lib\ensure
pip\__main__.py", line 5, in <module>
    sys.exit(ensurepip._main())
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python38\Lib\ensure
pip\__init__.py", line 206, in _main
    return _bootstrap(
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python38\Lib\ensure
pip\__init__.py", line 125, in _bootstrap
    return _run_pip(args + [p[0] for p in _PROJECTS], additional_paths)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python38\Lib\ensure
pip\__init__.py", line 34, in _run_pip
    return subprocess.run([sys.executable, "-c", code], check=True).returncode
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python38\Lib\subpro
cess.py", line 493, in run
    with Popen(*popenargs, **kwargs) as process:
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python38\Lib\subpro
cess.py", line 858, in __init__
    self._execute_child(args, executable, preexec_fn, close_fds,
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python38\Lib\subpro
cess.py", line 1311, in _execute_child
    hp, ht, pid, tid = _winapi.CreateProcess(executable, args,
FileNotFoundError: [WinError 2] 系统找不到指定的文件。