Hi@akhtar,
You need to download the jenkins-cli.jar file in your Windows system. After that, you can use the below command. It will show you all the plugins in Jenkins.
$ java -jar jenkins-cli.jar -s Jenkins_URL list-plugins
conditional-buildstep              Conditional BuildStep                                            1.3.6
parameterized-trigger              Parameterized Trigger plugin                                     2.37
jquery                             jQuery plugin                                                    1.12.4-1
ssh-slaves                         SSH Build Agents plugin                                          1.31.2
ace-editor                         JavaScript GUI Lib: ACE Editor bundle plugin                     1.1
jquery-detached                    JavaScript GUI Lib: jQuery bundles (jQuery and jQuery UI) plugin 1.2.1
handlebars                         JavaScript GUI Lib: Handlebars bundle plugin                     1.1.1
momentjs                           JavaScript GUI Lib: Moment.js bundle plugin                      1.1.1
trilead-api                        Trilead API Plugin                                               1.0.6 (1.0.8)
jackson2-api                       Jackson 2 API Plugin                                             2.11.0 (2.11.1)
github-api                         GitHub API Plugin                                                1.111 (1.114.3)
jdk-tool                           Oracle Java SE Development Kit Installer Plugin                  1.4
structs                            Structs Plugin                                                   1.20
workflow-step-api                  Pipeline: Step API                                               2.22
script-security                    Script Security Plugin                                           1.74
command-launcher                   Command Agent Launcher Plugin                                    1.4
workflow-scm-step                  Pipeline: SCM Step                                               2.11
credentials                        Credentials Plugin                                               2.3.7 (2.3.11)
apache-httpcomponents-client-4-api Apache HttpComponents Client 4.x API Plugin                      4.5.10-2.0
ssh-credentials                    SSH Credentials Plugin                                           1.18.1
jsch                               JSch dependency plugin                                           0.1.55.2
git-client                         Git client plugin                                                3.2.1 (3.3.0)
scm-api                            SCM API Plugin                                                   2.6.3
display-url-api                    Display URL API                                                  2.3.2
mailer                             Mailer Plugin                                                    1.32
git                                Git plugin                                                       4.2.2 (4.3.0)
token-macro                        Token Macro Plugin                                               2.12
plain-credentials                  Plain Credentials Plugin                                         1.7
github                             GitHub plugin                                                    1.30.0