exercises four key mental abilities: math, language, memory, and analysis. The program quickly accesses your ability in each area, and tailors the material for your level. The exercises are fun, and remarkably quick. Most take only 90 seconds, and the complete set takes only about 10 minutes. They're challenging in a fun way, and they're designed to strengthen your brain power in the ways that matter. The human brain contains vast untapped resources, and this may be your best chance to take advantage of your true potential. Windows compatible (including XP, Vista, 7, 8 and 10).