Funtion Keys

[Kim234]

The following keys have a blue color number on them: u, i, o, j, k, l, and m.
How do I convert they keys to use them as number keys.

Thanks

 

[Teethless mama]

Press the "NumLk" key

 

[Bernard Liengme]

On both of my laptops, I hold down the blue FN key to get these blue numbers
to work.
best wishes