Forward delete by shift+delete buttons

Mac keyboard shortcuts - Apple Support (CA)

• Option-Delete: Delete the word to the left of the insertion point.
• Control-H: Delete the character to the left of the insertion point. Or use Delete.
• Control-D: Delete the character to the right of the insertion point. Or use Fn-Delete.

➡️ Fn-Delete: Forward delete on keyboards that don't have a Forward Delete key. Or use Control-D. ⬅️

• Control-K: Delete the text between the insertion point and the end of the line or paragraph.

VyacheslavS wrote:

I still hope that Apple will add customization of this option, since only for this i need to install third-party software, which has full access to the keyboard, which is not safe.

To ask Apple to add this, you can use

Product Feedback - Apple

You might also want to ask your question at

https://apple.stackexchange.com/

Personally I've never heard of safety problems caused by the normal 3rd party software used for this kind of thing.

See your duplicate post