One of our readers Steve was actually able to solve his own problem before I could come up with an answer. He wrote: “This is just a general question. Do the Alt Codes work with Windows 10? By Alt Codes I mean the method to insert a special symbol in the text by holding down the left Alt button while typing in a set of numbers on the number keypad with the NumLock on. I cannot get Alt Codes to work on any three of my Win10 computers.”
I went looking for some solutions and found that several people reported having the issue. One guy said that he eventually discovered that a program he was suing had the option to suppress specific keys and use them for other purposes in that program. When he turned that option off, his ALT keys were working again.
But Steve found his own solution and kindly shared it with you. First click on Settings.