Get those CLEP college credits you deserve.. our savvy test experts show you the way to master the test and get the score that gets you college credit. This new edition contains comprehensive review of U.S history material, helping the student to master the U.S. history areas most likely to be tested. Students can train to score higher on multiple-choice section by using the chronological arrangement of questions as a study guide. This book includes 3 full-length practice exams. Practice exams questions are like the questions appearing on the actual exam, and every answer is fully explained. REA's CD-ROM software offers three full-length, timed, computerized exams that give you the closest thing to experiencing a live exam at a testing center.System Requirements:CPU: 75 MHz Pentium or compatible. 300MHz or higher recommended.Operating System: Windows 98, Me, 2000 and XP.RAM: 64MB available minimum60 MB Hard Disk space available.