5 Depending on your keyboard layout, there might be an AltGr key on the on-screen keyboard. Type osk into the search box on the taskbar and then choose "On-Screen Keyboard" from the choices that appear. With AltGr pressed, the € symbol appears in the top row for me (UK keyboard layout) but not sure where it would appear in other layouts.
How to type the Euro Symbol € on US English keyboard in Windows 10 ...
The basic Italian keyboard layout as shipped with Windows 7 has no way of typing the backtick (`) or the tilde (~). I checked this using Microsoft Keyboard Layout Creator (MSKLC), with that layout loaded into it. I presume that this layout is more or less standard in Italy, though of course Microsoft might have its own oddities here. However, in Windows 7, there is a somewhat different layout ...
The keyboard shortcut that enabled this was to hold the right shift key for eight seconds, something that a cat could easily do. What it did was not disable the keyboard, but enable filter keys, an adaptation designed for people with Parkinsons or the equivalent who hit keys multiple times when they only want to hit once.
Is there a keyboard function that will allow me to do this? I like to use the keyboard to avoid repetitive mouse motions. I can use the shift key and arrow keys to make a selection, but I don't know what (if any) key can trigger this function. I also don't really know what this function is actually called.
Some programs (e.g. ms html help viewer) have zoom-in features that only seem to work when you mouse wheel scroll. Is there a way to emulate mouse wheel scroll using the keyboard?
The Windows On-Screen Keyboard can show your keyboard layout and is also a means for entering keys via the mouse. See the Microsoft article Use the On-Screen Keyboard (OSK) to type. The OSK is the biggest help that Windows can give. Otherwise, you could post it a a background image on your desktop, post stickers on the keys, or any other method you could think of and can do yourself.
How to see the current keyboard layout in Windows, i.e. which keys will ...