Path: ...!weretis.net!feeder6.news.weretis.net!feeder8.news.weretis.net!news.nntp4.net!news.gegeweb.eu!gegeweb.org!usenet-fr.net!agneau.org!nntpfeed.proxad.net!proxad.net!feeder1-1.proxad.net!cleanfeed2-b.proxad.net!nnrp1-1.free.fr!not-for-mail
Subject: =?UTF-8?Q?Re=3a_R=c3=a9pertoire_d=27installation_de_Python?=
Newsgroups: fr.comp.lang.python
References: <61c1883c$0$28613$426a74cc@news.free.fr>
From: "Th.A.C" <aenleverraivac@free.fr.invalid>
Date: Tue, 21 Dec 2021 14:14:09 +0100
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101
 Thunderbird/78.14.0
MIME-Version: 1.0
In-Reply-To: <61c1883c$0$28613$426a74cc@news.free.fr>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Language: fr
Content-Transfer-Encoding: 8bit
Lines: 9
Message-ID: <61c1d321$0$4988$426a34cc@news.free.fr>
Organization: Guest of ProXad - France
NNTP-Posting-Date: 21 Dec 2021 14:14:09 CET
NNTP-Posting-Host: 78.199.154.99
X-Trace: 1640092449 news-4.free.fr 4988 78.199.154.99:54366
X-Complaints-To: abuse@proxad.net
Bytes: 1439

Il y a un loupé dans leur menu d'installation :-))
Même problème avec la version 3.10

Pour l'installer comme tu veux, il faut:
- choisir 'custom installation'
- dans la 2eme page, cocher 'Install for All Users'

Le dossier devient c:\program files\python39
(Tu peux le modifier)