Sorry to hear you’re facing problems 
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In order to help you as quickly as possible, before clicking Create Topic please provide as much of the below as you can. Feel free to use a pastebin service for logs, otherwise either indent short log examples with four spaces:
example
Or for longer, use three backticks above and below the code snippet:
longer
example
here
Some or all of the below information will be requested if it isn’t supplied; for fastest response please provide as much as you can 
Nextcloud version (eg, 20.0.5): 24.04
Operating system and version (eg, Ubuntu 20.04): dabian10
Apache or nginx version (eg, Apache 2.4.25): 2.4.54
PHP version (eg, 7.4): 8.0.22
The issue you are facing: Get and download files without logging in
Is this the first time you’ve seen this error? (Y/N):Y
Steps to replicate it:
The output of your Nextcloud log in Admin > Logging:
PASTE HERE
The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):
<?php
$CONFIG = array (
'instanceid' => '*****',
'passwordsalt' => '****',
'secret' => '*****',
'trusted_domains' =>
array (
0 => 'my.domain.com',
),
'datadirectory' => '/var/www/nextcloud/data',
'dbtype' => 'mysql',
'version' => '24.0.4.1',
'overwrite.cli.url' => 'https://my.domain.com/',
'dbname' => 'nextcloud',
'dbhost' => 'localhost',
'dbport' => '',
'dbtableprefix' => 'oc_',
'mysql.utf8mb4' => true,
'dbuser' => 'nextcloud',
'dbpassword' => '****',
'installed' => true,
'default_phone_region' => 'CN',
'htaccess.RewriteBase' => '/',
'memcache.local' => '\\OC\\Memcache\\APCu',
'memcache.distributed' => '\\OC\\Memcache\\Redis',
'memcache.locking' => '\\OC\\Memcache\\Redis',
'redis' =>
array (
'host' => 'localhost',
'port' => 6379,
),
);
PASTE HERE
The output of your Apache/nginx/system log in /var/log/____:
18.177.157.135 - - [08/Sep/2022:09:34:03 -0400] "GET /index.php/apps/richdocuments/wopi/files/324_ocd1uyn3038u?access_token=WZmS9HJZYA6xjtKSnrC4HwFxqHEYPJB8&access_token_ttl=0 HTTP/1.1" 200 5660 "-" "COOLWSD HTTP Agent 22.05.5.4snapshot"
18.177.157.135 - - [08/Sep/2022:09:34:03 -0400] "GET /index.php/apps/richdocuments/wopi/files/324_ocd1uyn3038u/contents?access_token=WZmS9HJZYA6xjtKSnrC4HwFxqHEYPJB8&access_token_ttl=0 HTTP/1.1" 200 396790 "-" "COOLWSD HTTP Agent 22.05.5.4snapshot"