If you are installing from the blue disc, you shouldn't have any problems.
But remember to right-click the install program and "Run As Administrator".
If you are installing from an older Black and White disc, there are a few extra steps to follow.
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I/O expanders
This is my offer for the smallest design on the MCP23017 I/O expander in bi-directional mode:
Demon Today, 20:519667
It's possible to smoosh an SOIC with 0603 SMD down to 23mm x 107mm (0.9in x 4.2in), with no...