How long should a laptop actually last?
There’s no single number, but there are honest ranges. Build quality matters far more than brand loyalty, and how you treat it matters most of all.
Realistic lifespans by type
- Premium / business laptops (ThinkPad, Latitude, EliteBook, MacBook Pro): 5–8 years with care. These use better hinges, keyboards, cooling and serviceable parts.
- Mid-range laptops: roughly 4–6 years before they feel slow or something wears out.
- Budget / entry-level laptops: 3–4 years of comfortable use; they start struggling as software gets heavier.
What actually decides it
Two things end most laptops long before the plastic wears out:
- Security support. A laptop is “done” for anything sensitive when its OS stops getting security updates. A 2015 machine stuck on Windows 10 hit that wall in October 2025. Check where yours stands in the support tracker — this matters more than raw speed.
- Whether it’s upgradeable. A laptop that takes an SSD and more RAM can often be revived for years. One with everything soldered can’t.
How to extend it
- Keep it cool and clean. Heat is the top killer — clear the vents every few months and don’t run it on soft surfaces.
- Add an SSD and RAM if it’s still on a hard drive or 4–8 GB. It’s the cheapest way to buy 2–3 more years.
- Look after the battery — see our battery guidance; the same heat and charge-level rules apply.
Honest signals it’s time to replace
- Security updates have ended and no supported OS will run on it.
- A repair quote approaches the price of a better used machine with support life left.
- It can’t be upgraded and genuinely can’t keep up with what you need it to do.
Frequently asked questions
How long can a laptop last?
A well-cared-for laptop can last 5 to 8 years or more physically, but its useful life is usually set by security-update support and the battery. Most laptops stay genuinely capable for about 4 to 6 years — longer with an SSD and a RAM upgrade.
What is the average lifespan of a laptop?
The average laptop lifespan is roughly 4 to 6 years of comfortable use. Budget models trend to the lower end; well-built business or premium laptops, kept updated and re-batteried once, often reach 7 to 8 years.
Do Macs last longer than Windows laptops?
Well-built examples of both last similarly (5–8 years). Macs get long OS support; premium Windows business laptops are very durable and more upgradeable. Build tier matters more than the badge.
Is it worth buying an extended warranty?
Usually not for the base coverage; accidental-damage cover can be worth it if you travel with it a lot. A good case and careful handling do more.
My laptop is 6 years old but fine — should I replace it?
If it still gets security updates and does what you need, no. “Working and supported” beats “new” every time on this site.