| 摘要 |
A vendor system acquires information on a user system from the user system. The information on the user system includes information on hardware employed in the user system and information on software installed in the user system. Then, the vendor system constructs a test environment on the basis of the information on the user system. Subsequently, the vendor system examines operations of the user system updated by a software-updating patch in the test environment to determine whether or not the user system operates normally in the test environment. If normal operations are verified, the vendor system transmits the software-updating patch to the user system. The user system applies the software-updating patch to the software installed in the user system to update the user system. In the configuration described above, the user system can be updated with ease by adoption of a method to update the software installed in the user computer through a network. In addition, after the software installed in the user computer is updated, it is possible to assure the high reliability and high service level of the user system.
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