Where is the "INSERT" key?

next to the delete key

fn + delete

(On laptop)

or it's an insert key to turn on the fireplace.
I have a PrtSc key on my laptop and a Print Screen key on the other one, and that's just fine.
--
If you push the system too hard, the system will get back at you. Formatting is not a daily task.
There are 2 types of people: those who read the manuals and the others.

Insert
Inser
Ins

It's just written in abbreviated form...

inser=insert, to insert what you type at the cursor's position.
--
If you constrain the system, the system strikes back. Formatting is not a daily task.
There are 2 types of people: those who read the notices and the others.

up! help please

I have the button insert but not insert.

The "insert" button above delete must be a word processing option;
however, the circumflex accent that I just placed in (être) with the key on the keypad, next to P, expresses the "insert" sign for power calculations in Excel, for example x^y (number or figure x to the power of y), so 8^2 = 64....
I had time to check on the Excel sheet, and it worked!!!!

There is no other key that can correspond to insert other than the one already mentioned above: ins / inser / insert

If it doesn't open your menu, the problem is not that you need to find another key, but rather with the assignment and/or functionality of that key. By the way, this is the first time I’ve heard of using this key to access any menu, just like page up/down, home or end. The only counter-example that comes to mind in this mini block is ctrl+alt+delete. These keys are not supposed to affect a software, but rather to change positioning or typing mode (typically, insert will allow you to switch between a mode that inserts characters at the cursor's position and a mode that replaces the character following the cursor with the typed character, and vice versa)

So ultimately, you should check the settings for this key, perhaps in your software’s options there’s a setting that would allow prioritizing the menu over the normal function. Without knowing the software you're having the issue with, it's difficult to help you further, but what is certain is that there is no other key that even remotely resembles this designation.