You are given the highest level of power in every country on Earth. What do you do with it?

For the rest of your life, you will have the power presented to the highest office in every country with the respective support from any other forms of government, e.g. parliament's, congress.

People won't be antagonistic to you initially, and will see what laws you pass to judge you.

If your decisions are unpopular in a country, the population may rise up and overthrow your government, making you lose your power there.

What do you do with this newfound power?