The characters ² ³ { [ ] } \ @ µ ~ are accessed by holding the right "Alt" key and tapping the other key.
The left "Alt" will not access these additional characters.

The accent keys ^ ` ´ are "dead keys."
Tap on an accent key once, let up, then tap on a vowel to produce accented characters. (ô á ù etc.)

Note that the semi-colon and colon are accessed by using the "Shift" key.

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Please see these other useful links:

Accessing German Characters on your Computer

This page created by Tim Phillips