How to Make a Windows Laptop Faster: 12 Safe Tips for 2026

If your Windows laptop has become slow, you do not always need a new machine. Performance can often improve after removing unnecessary startup work, freeing storage, updating software, checking background processes and fixing a few common configuration problems.

This guide focuses on safe changes that ordinary users can make without risky registry cleaners or aggressive “PC booster” utilities. The same checklist is useful whether you use a new laptop, an older business laptop or a Certified Refurbished laptop from RentOPC.

1. Find out what is actually slowing the laptop

Before changing settings, identify the bottleneck. Press Ctrl + Shift + Esc to open Task Manager and look at CPU, Memory, Disk and Network usage.

• CPU stays very high: an application, update or background process may be consuming processor time.
• Memory is nearly full: too many applications or browser tabs may be open, or the laptop may benefit from a RAM upgrade.
• Disk usage stays at 100%: Windows updates, indexing, antivirus scans, storage problems or an older drive can be responsible.
• Network usage is high: cloud synchronisation, downloads or another application may be using the connection.

Checking the cause first prevents you from making changes that do not address the real problem.

2. Reduce unnecessary startup applications

Many applications launch every time Windows starts even though you only use them occasionally. In Task Manager, open Startup apps and review the list.

Disable programs you recognise and do not need immediately after sign-in. Avoid disabling Windows components, security software or hardware utilities unless you know exactly what they do.

Reducing startup applications can shorten the period during which the laptop remains busy after booting and can leave more memory available for the applications you actually use.

3. Free storage space safely

A drive that is almost full can make routine maintenance and updates harder. Open Settings → System → Storage and review temporary files, installed applications and large files.

Use Windows' built-in cleanup options instead of deleting folders manually from locations such as the Windows directory. Empty the Recycle Bin after checking that it contains nothing you still need.

What should you remove?

• Temporary files that Windows identifies as safe to remove
• Old downloads you no longer need
• Unused applications
• Large duplicate or forgotten personal files

4. Keep Windows and drivers updated

Install Windows updates through Windows Update and keep important applications current. Updates can contain security fixes, bug fixes and compatibility improvements.

For drivers, prefer Windows Update or the laptop manufacturer's official support channel. Avoid downloading drivers from random websites simply because a third-party utility says an update is available.

5. Reduce browser overload

For many people, the browser is one of the heaviest applications on the laptop. Close tabs you no longer need and review extensions that you have installed.

If the browser feels unusually slow, test it with extensions temporarily disabled. Also check whether a particular website or web application is consuming excessive CPU or memory in the browser's own task manager.

6. Restart instead of only closing the lid

A restart gives Windows a clean session and can clear temporary problems caused by applications or background processes. If a laptop has been running for a long period and suddenly becomes sluggish, restarting is a simple first troubleshooting step.

7. Check which applications run in the background

Cloud storage, messaging applications, launchers and other utilities can continue working when their windows are closed. Review the applications you genuinely need running continuously.

For business laptops, be careful not to disable company security, backup or management software merely to gain a small performance improvement. On a corporate device, those controls may be required by your organisation.

8. Use the right power mode for the job

Windows power settings can affect the balance between performance and battery life. When you need maximum responsiveness while connected to power, review Settings → System → Power & battery and select an appropriate power mode.

For battery-powered work, a more conservative mode can reduce power consumption. The best setting depends on whether you are browsing, writing documents, attending video meetings or running demanding applications.

9. Keep the laptop cool

Heat can affect sustained performance. Keep air vents clear and use the laptop on a hard, stable surface rather than blocking its ventilation openings with bedding or soft furnishings.

If the fan is constantly loud or the laptop becomes unusually hot even during light work, investigate the cooling system rather than repeatedly changing Windows settings.

10. Consider RAM and SSD upgrades when software fixes are not enough

If Task Manager repeatedly shows that memory is nearly full during normal work, additional RAM may help—provided the laptop supports an upgrade. If the system uses an older mechanical hard drive, moving to an SSD can also make everyday tasks feel substantially more responsive.

RentOPC's existing guides explain how much RAM a laptop really needs and the practical differences between SSD and HDD storage.

Before buying an upgrade, check the exact laptop model, supported RAM type, maximum capacity, storage interface and available slots.

11. Scan for unwanted or malicious software

A sudden unexplained slowdown can sometimes be related to unwanted software. Keep Windows Security or your organisation's approved security solution enabled and run a scan if you notice suspicious pop-ups, unexpected applications, browser redirects or unusual background activity.

Do not install “speed booster” programs simply because they promise an instant performance increase. Some utilities add more background processes instead of solving the underlying problem.

12. Know when the laptop has reached its practical limits

Not every slow laptop can be made fast through software settings. An older processor, limited RAM, failing storage device, worn cooling system or hardware incompatibility can become the real constraint.

At that point, compare the cost of an upgrade or repair with the cost of replacing the machine. A properly tested Certified Refurbished business laptop can also be considered when you need a practical replacement without buying a brand-new premium model.

A simple 15-minute Windows laptop speed checklist

1. Restart the laptop.
2. Open Task Manager and identify the main resource bottleneck.
3. Disable unnecessary startup applications.
4. Remove safe temporary files and unused applications.
5. Close unnecessary browser tabs and extensions.
6. Install pending Windows and application updates.
7. Check for unusual background activity.
8. Run a security scan if the slowdown is unexplained.
9. Check ventilation and operating temperature.
10. If the problem persists, investigate RAM, SSD and hardware health.

How RentOPC fits into the laptop lifecycle

RentOPC focuses on laptops for work, learning and business use, including Certified Refurbished systems. For buyers considering an older business laptop, the important questions are not only the processor model but also the condition of the device, storage, RAM, battery, ports and overall testing.

For organisations that need computers for a defined period, laptop rental can also be an alternative to purchasing equipment outright. The right choice depends on the duration of use, configuration required, budget and support requirements.

Frequently asked questions

Can I make an old Windows laptop faster without upgrading it?

Often, yes. Removing unnecessary startup applications, freeing storage, reducing background activity, updating Windows and checking for unwanted software are sensible first steps. Hardware limitations may still remain.

Does deleting temporary files make a laptop faster?

It can help when storage is very full, but deleting temporary files is not a universal performance fix. First identify whether storage capacity is actually the bottleneck.

Is 16GB RAM better than 8GB for everyday work?

It depends on workload. Office documents, browsing and light applications can work with less memory, while heavier multitasking can benefit from additional RAM. Check the laptop's supported configuration before upgrading.

Should I use a PC cleaner or registry cleaner?

There is generally no need to use aggressive registry-cleaning or “one-click booster” utilities. Windows already provides built-in storage and maintenance tools, and unnecessary third-party utilities can introduce additional software and background processes.

Final takeaway

Start with measurement rather than guesswork. Find the bottleneck, make safe Windows changes, keep the system updated and secure, and only then consider a RAM, SSD or laptop replacement. This approach helps you spend money where it can actually improve the computing experience.