Comment installer OpenSSL dans Windows 10?

J'ai suivi les étapes d'installation d'OpenSSL après avoir rencontré un problème lors de la génération du certificat.

Https://tecadmin.net/install-openssl-on-windows/

Malheureusement, le site ne m'a pas permis de soumettre mon problème. Le curseur n'irait pas au nom et à l'e-mail qui sont la zone de texte requise à remplir.

J'espère que quelqu'un pourra me conseiller ce qui m'a manqué pour générer le certificat.

Voici ma tentative :

C:Program FilesOpenSSL-Win64>version
'version' is not recognized as an internal or external command,
operable program or batch file.

C:Program FilesOpenSSL-Win64>openssl req -x509 -out localhost.crt -keyout localhost.key 
req: Use -help for summary.

C:Program FilesOpenSSL-Win64>  -newkey rsa:2048 -nodes -sha256 
'-newkey' is not recognized as an internal or external command,
operable program or batch file.

C:Program FilesOpenSSL-Win64>  -subj '/CN=localhost' -extensions EXT -config <( 
The system cannot find the file specified.

C:Program FilesOpenSSL-Win64>   printf "[dn]nCN=localhostn[req]ndistinguished_name = dnn[EXT]nsubjectAltName=DNS:localhostnkeyUsage=digitalSignaturenextendedKeyUsage=serverAuth")

Even going into the bin area where openSSL.exe reside, it is no good still

C:Program FilesOpenSSL-Win64bin>openssl req -x509 -out localhost.crt -keyout localhost.key 
req: Use -help for summary.

C:Program FilesOpenSSL-Win64bin>  -newkey rsa:2048 -nodes -sha256 
'-newkey' is not recognized as an internal or external command,
operable program or batch file.

C:Program FilesOpenSSL-Win64bin>  -subj '/CN=localhost' -extensions EXT -config <( 
The system cannot find the file specified.

C:Program FilesOpenSSL-Win64bin>   printf "[dn]nCN=localhostn[req]ndistinguished_name = dnn[EXT]nsubjectAltName=DNS:localhostnkeyUsage=digitalSignaturenextendedKeyUsage=serverAuth")