Installing PIP and PYXL

Hi, a complete newby to Python. Attempting install PIP and PYXL as I ultimately am looking to undertake automotive stuff with Excel workbooks. Keep getting this error:

Microsoft Windows [Version 10.0.19042.1083]
(c) Microsoft Corporation. All rights reserved.

C:\Users\Lustre>pip help
‘pip’ is not recognized as an internal or external command,
operable program or batch file.

C:\Users\Lustre>curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1892k 100 1892k 0 0 1892k 0 0:00:01 --:–:-- 0:00:01 2282k

C:\Users\Lustre>pip help
‘pip’ is not recognized as an internal or external command,
operable program or batch file.

C:\Users\Lustre>dir
Volume in drive C is Windows
Volume Serial Number is 06E6-ECF5

Directory of C:\Users\Lustre

11/07/2021 13:31 .
11/07/2021 13:31 …
11/07/2021 11:16 .idlerc
06/06/2021 11:47 .ipython
16/03/2021 22:15 3D Objects
16/03/2021 22:15 Contacts
11/07/2021 12:02 Desktop
06/07/2021 17:59 Documents
11/07/2021 15:17 Downloads
16/03/2021 22:15 Favorites
11/07/2021 18:52 1,937,837 get-pip.py
16/03/2021 22:15 Links
11/07/2021 10:47 Lustre Consulting
16/03/2021 22:15 Music
06/06/2021 13:15 mu_code
30/06/2021 18:37 OneDrive
11/07/2021 10:47 OneDrive - Lustre Consulting
16/03/2021 22:15 Pictures
01/05/2021 10:26 PycharmProjects
16/03/2021 22:15 Saved Games
16/03/2021 22:15 Searches
16/03/2021 22:15 Videos
1 File(s) 1,937,837 bytes
21 Dir(s) 146,759,335,936 bytes free

C:\Users\Lustre>

I have downloaded the PIP file, get cant get it to install, can anyone help?

Thanks in advance.