Deprecated functions

The plugin is working OK, but I’m getting lots of warnings about deprecated functions, as follows:

Argument in add_options_page()
Used in wp-content/plugins/wp-file-upload/lib/wfu_admin.php on line 4.
Usage of user levels by plugins and themes is deprecated. Use roles and capabilities instead.
Deprecated in version 2.0.

Select Argument in current_user_can()
Argument in current_user_can()
An admin menu page is using user levels instead of capabilities. There is likely a related log item with specifics.
Usage of user levels by plugins and themes is deprecated. Use roles and capabilities instead.
Deprecated in version 2.0.

Select Incorrect Use of wp_enqueue_style()
Incorrect Use of wp_enqueue_style()
Used in wp-content/plugins/wp-file-upload/wordpress_file_upload.php on line 55.
Scripts and styles should not be registered or enqueued until the wp_enqueue_scripts, admin_enqueue_scripts, or login_enqueue_scripts hooks.
This message was added in version 3.3.

Select Incorrect Use of wp_enqueue_script()
Incorrect Use of wp_enqueue_script()
Used in wp-content/plugins/wp-file-upload/wordpress_file_upload.php on line 57.
Scripts and styles should not be registered or enqueued until the wp_enqueue_scripts, admin_enqueue_scripts, or login_enqueue_scripts hooks.
This message was added in version 3.3.

Select Incorrect Use of wp_enqueue_style()
Incorrect Use of wp_enqueue_style()
Used in wp-content/plugins/wp-file-upload/wordpress_file_upload.php on line 45.
Scripts and styles should not be registered or enqueued until the wp_enqueue_scripts, admin_enqueue_scripts, or login_enqueue_scripts hooks.
This message was added in version 3.3.

Select Incorrect Use of wp_enqueue_script()
Incorrect Use of wp_enqueue_script()
Used in wp-content/plugins/wp-file-upload/wordpress_file_upload.php on line 47.
Scripts and styles should not be registered or enqueued until the wp_enqueue_scripts, admin_enqueue_scripts, or login_enqueue_scripts hooks.
This message was added in version 3.3.

https://www.ads-software.com/plugins/wp-file-upload/