Issues installing Search Guuard on my ELK all in 1 server

If you think it is a bug report or you have a technical issue, please answer the following questions. For general questions, you can delete these questions.

Elasticsearch version:
Version: 7.9.1, Build: default/deb/083627f112ba94dffc1232e8b42b73492789ef91/2020-09-01T21:22:21.964974Z, JVM: 14.0.1

Server OS version:
Description: Ubuntu 18.04.5 LTS

Kibana version (if relevant):

Browser version (if relevant):

Browser OS version (if relevant):

Describe the issue:

Steps to reproduce:
1.Downloaded the search guard version 45.1.0
2.Stopped Elasticsearch as instructed and used the command to install search guard

root@lwazuhelkp1:/usr/share/elasticsearch# bin/elasticsearch-plugin install -v
-> Installing
-> Failed installing
-> Rolling back
-> Rolled back
A tool for managing installed elasticsearch plugins

Non-option arguments:

Option Description

-E Configure a setting
-h, --help Show help
-s, --silent Show minimal output
-v, --verbose Show verbose output
ERROR: Unknown plugin

Expected behavior:

Provide configuration:

kibana/config/kibana.yml (if relevant)

Provide logs:
Kibana (if relevant)

Screenshots (if relevant):

Errors in browser console (if relevant):

Additional data:

You need to specify an URI to the locally downloaded file here. Something like file:///path/to/search-guard-7-<version>.zip

See here: