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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Reusing PGC & PGD pins
Do I have special considerations to take when I reuse ICSP pins?
Demon Today, 03:07Do I need a jumper during programming if I have a device connected, like a resistor/LED?
(I couldn't find any REUSE PGC/PGD/ICSP...