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Steps to Customize the Shortcut: a. Open the Options Dialog:

Go to Tools > Options in Visual Studio.

b. Navigate to Keyboard Settings:

In the Options dialog, expand Environment and select Keyboard.

c. Search for the Command:

To find the relevant command associated with Alt + Left Click: Look for commands related to text navigation or caret movement, like Edit.GoToDefinition, Edit.AddCaretMultiple, or similar. If you know what the feature does (e.g., add multiple carets or navigate references), filter commands using keywords like "Caret" or "Multi".

d.Change the Shortcut:

In the "Press shortcut keys" box, press the new key combination you want to assign. Click Assign to save the new shortcut.

e.Remove the Old Shortcut:

Search for the existing Alt + Left Click shortcut. Remove it by selecting the command and clicking Remove.

f.Save and Apply:

Click OK to apply the changes.