Whether it was a surprise or not, new wealth may create challenges in which you don't want to make mistakes.
You may have the following questions:
1) Should I use it to pay off my mortgage?
2) Can I afford to buy my dream vacation home?
3) How should I invest to secure my financial future?
4) Should I use it to pay off my children's college loans?
5) Can I now retire in the lifestyle I desire?