How Often

A: How often do you work out*?
B: Every day.

*work out = physical exercise, especially in a gym or fitness club, but also can include any exercise. "I had a great workout at the swimming pool this morning."

How often = questions can be answered in many ways.

Every day (second, minute, hour, day, week, month, year, decade, etc.)
Every second day
Every week
Every month
Every six months
Every year

Once a day (a second, a minute, an hours, a week/a month/a year, etc.)
Twice a day
Three times a day
Four times a day

In descending order of frequency
Always/Constantly
Usually/Often
Frequently
Normally
Sometimes
Occasionally
From time to time
Never

Most of the time
Most weekdays
Most evenings
Most Mondays

About or around is used if you don't want to be exact, or can't give an exact number.

How often do you go skiing?
About 6 times a year

How often do you go shopping?
Around twice a week

Answer the following questions:

How often do you work out?

How often do you surf the net*.
surf the net = surf the internet

How often do you play computer games*?

Note: the plural is used because this is a generality. It is almost always used when speaking about computer games NOT computer game. So, don't say, I like computer game-say, I like computer games. If you use the name of the computer game, just put the name.

Now ask your keypal these questions!
How often do you play Warcraft?
How often do you get angry? Why do you usually get angry?
How often do you lie? What do you usually lie about?
How often do you worry?
How often do you meditate?
How often do you scream?
How often do you read labels?