If you want to use Ctrl + C/V to copy/paste, please enable Use Ctrl + C/V to copy/paste option from [Preferences] - [Terminal] - [Setting] - [Shortcut Key].
In the Windows, CRLF is automatically converted to LF when pasting text. If you don't want to use this feature, please use Ctrl + Shift + V, or uncheck Convert CRLF to LF when pasting text to the terminal option from [Preferences] - [Terminal] - [Setting] - [Paste].
Copy in one of the two ways:
⌘ + C
Right-click the selected text
Paste in one of the two ways:
⌘ + V
If you want to use the copy/paste function on the terminal, you must allow the clipboard permission in your browser. Please check the information below for how to allow permission.
How to allow the clipboard permission?
When using this function, press Allow in the pop-up in the upper left corner of the browser.
Pop-up that asks for clipboard permission.
If the pop-up does not come out separately, you should check the following image to enter the site setting and allow clipboard permission.
You can enter the site setting by pressing the left icon of the address bar.
In Site Settings, you must go to the permissions list and change the clipboard permission to Allow.
The images were captured based on Google Chrome, and other browsers provide permission setting in a similar way.