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  6. What is the useful life of a computer? Differences between the statutory 4 years and lifespan/replacement timing.

What is the useful life of a computer? Differences between the statutory 4 years and lifespan/replacement timing.

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last updated:Oct 22, 2026

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Introducing a column to help determine the timing for replacing computers in business operations!

Isn't it often confusing to decide when to replace the computers used in the company after a certain number of years? When managing multiple PCs, there are many situations where you need to determine the order in which to update devices that were introduced at different times. The statutory useful life of a computer (excluding servers) is four years. However, this is the number of years used for tax depreciation and does not mean that a computer will become unusable after four years. When considering the replacement of PCs in a corporation, it is necessary to separate 'statutory useful life,' 'actual usable period,' and 'timing of replacement for business purposes.' After organizing the meaning of the four-year figure, let's consider whether to continue using the current PCs based on the OS support status, processing performance, and condition of the devices. *For more details on the column, please refer to the related links. Feel free to contact us for more information.

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What is the useful life of a computer? Differences between the statutory 4 years and lifespan/replacement timing.

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Live Media Inc. is a company that provides one-stop solutions from web and social media customer acquisition to DX support and IT infrastructure development. We are not just a company that offers "produced items" or "IT services." We question the essence of issues from a thorough user perspective and propose "one step ahead" value that is not bound by common sense. As an indispensable IT partner for our clients, we support their business growth.

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