In the blender preferences under input enable emulate numpad, it will make 1 to 0 on the top of the keyboard act like the numbers on a numpad
Martin Bergwerf
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You can also set your Tilde key ( ~ or ` ) to show a Pie Menu with different Views:
When using Emulate Numpad, you lose a few extremely useful hotkeys.
Omar Domenech
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Yeah I had to always be at this changing settings all the time, in the end I was like meh and got myself a proper keyboard with a numpad. In the end it was the better solution, if you can go about it of course.