Think you for the anser I flow the instructions on the url.
here the commande I used and the resiults :
C:\Users\Administrateur>letsencrypt.exe --plugin manual --manualhost myhost.ddns.ne
t --webroot “C:\Program Files\Tomcat\webapps”
[INFO] Let’s Encrypt Windows Simple (LEWS)
[INFO] Software version 198.4.6605.15190 (RELEASE)
[INFO] IIS version 8.5
[INFO] ACME Server https://acme-v01.api.letsencrypt.org/
[INFO] Please report issues at https://github.com/Lone-Coder/letsencrypt-win-simple
[INFO] Running in Unattended mode
[INFO] Plugin Manual generated target [Manual] [1 binding - myhost.ddns.net]
[INFO] Authorize identifier: myhost.ddns.net
[INFO] Cached authorization result: valid
[INFO] Requesting certificate myhost.ddns.net 2018/2/6 11:26:55 PM
[INFO] Saving certificate to C:\ProgramData\letsencrypt-win-simple\httpsacme-v01.api.
letsencrypt.org
[INFO] Installing certificate in the certificate store
[INFO] Adding certificate targettec.ddns.net 2018/2/6 11:26:55 PM to store WebHosting
[INFO] Uninstalling certificate from the certificate store
[INFO] Removing certificate targettec.ddns.net 2018/2/6 6:06:05 PM from store WebHost
ing
[INFO] Adding renewal for myhost.ddns.net
[INFO] Next renewal scheduled at 2018/4/2 11:26:59 PM
C:\Users\Administrateur>
I got a certificate 13 files !
ca-myhost.ddns.net-crt.der
ca-myhost.ddns.net-crt.pem
Registration
Signer
myhost.ddns.net.history.json
myhost.ddns.net-all.pfx
myhost.ddns.net-chain.pem
myhost.ddns.net-crt.der
myhost.ddns.net-crt.pem
myhost.ddns.net-csr.pem
myhost.ddns.net-gen-csr.json
myhost.ddns.net-gen-key.json
myhost.ddns.net-key.pem
know I need to configure it with my tomcate !
Any help Please