Instructions
Get to the point of the game where you want to take a screenshot. Press "P" to pause your flight, if desired.
Press the "V" button on your computer keyboard. This instantly snaps a screenshot. Press "V" multiple times to take multiple screenshots, if desired.
View the screenshots when you're ready. Close or minimize Microsoft Flight Simulator. Navigate to your Windows "Pictures" folder. Look for a folder inside labeled "Flight Simulator."
Open the folder to view your FSX screenshots.