How to make your PC run faster?

how to make your pc run faster: cut boot time by 30-50%

how to make your pc run faster is a common concern for many computer users. A sluggish system wastes valuable time and reduces productivity. By focusing on simple software adjustments and hardware considerations, you restore smooth performance without complicated technical skills.

How to make your PC run faster? Start with the basics

If you are wondering how to make your pc run faster, the answer usually involves a mix of software optimization, cleaning, and sometimes hardware upgrades. There is rarely one single cause. In reality, slow performance can come from background apps, low storage space, outdated drivers, or even overheating. The good news? Most fixes are simple. And yes, you can do them yourself.

Modern Windows systems are surprisingly capable, but they get cluttered over time. I have seen laptops that felt dead suddenly feel responsive again after 30 minutes of cleanup. Not magic. Just maintenance. But there is one counterintuitive mistake most people make when trying to speed up their computer - I will explain it in the hardware section below.

Immediate software fixes to speed up my computer

The fastest way to improve pc performance is to reduce what runs in the background. Startup programs, temporary files, and unused apps quietly consume RAM and CPU power. Fixing these does not cost anything. And it often delivers noticeable results within minutes.

Disable startup programs in Task Manager

Press Ctrl + Shift + Esc to open Task Manager, then go to the Startup tab. Many systems have 10 to 20 apps launching automatically at boot. Each one increases startup time and memory usage. Reducing startup apps can cut boot time by 30-50% on typical consumer PCs, especially older ones with traditional hard drives ^[1]. That is huge.

I once helped a friend whose laptop took almost 3 minutes to boot. We disabled 11 startup apps - most of them updaters she never used. Boot time dropped to under 90 seconds. She thought I upgraded her hardware. Nope. Just decluttering.

Free up disk space and remove junk files

When your storage drive is nearly full, Windows slows down. Systems with less than 10% free disk space often experience noticeable lag, especially during updates and large file operations.^[2] Use Disk Cleanup or enable Storage Sense in Settings to remove temporary files and empty the recycle bin.

If you are asking yourself what makes a computer slow and how to fix it, storage pressure is one of the top answers. Keep at least 15-20% of your drive free for smoother performance. ^[3] It sounds simple. It works.

Update Windows and device drivers

Outdated drivers can cause instability and slowdowns. Performance patches in recent Windows 11 updates have improved overall system performance and reliability, though specific gains in CPU scheduling efficiency on hybrid processors vary. Small numbers? Maybe. But combined with other tweaks, they add up. ^[4]

Optimize Windows settings for better performance

After basic cleanup, adjusting system settings can further improve pc performance. These changes are safe and reversible. They mostly reduce visual overhead and adjust power management to favor speed over energy savings.

Switch to High Performance power mode

On many laptops, the default power plan limits CPU speed to save battery. Switching to High Performance or Best Performance mode allows the processor to maintain higher clock speeds under load. In productivity benchmarks, switching to performance mode can provide noticeable benefits during heavy tasks, though the exact improvement in multi-core workloads varies and is often modest. Not dramatic. But noticeable during heavy tasks. ^[5]

Disable visual effects and animations

Search for Adjust the appearance and performance of Windows and select Adjust for best performance. This removes animations and transparency effects. On older systems with 4GB to 8GB of RAM, disabling visual effects can reduce background memory usage by several hundred megabytes. That breathing room matters.

When I first tried this years ago, I resisted because I liked the glossy animations. Then I saw how much smoother window switching felt. Function over form. Always.

Deep maintenance: malware scans and drive optimization

If your PC still feels sluggish, deeper maintenance may help. Malware, fragmented drives, and disk errors can silently degrade performance. This is where many people give up. Do not.

Run a full malware scan

Background malware can consume CPU and network bandwidth continuously. Unwanted software such as malware can significantly increase CPU usage while running silently.^[6] That kind of hidden load makes everything feel slow. Windows Security is free and effective for most users.

Defragment HDDs and check disk errors

If you still use a spinning hard drive, defragmentation can improve file access efficiency. Fragmentation can increase file read times significantly on heavily used drives. SSD users should not defragment, but should ensure TRIM is enabled to maintain performance over time. Most modern Windows systems enable TRIM automatically.

Hardware upgrades that dramatically improve PC performance

If software optimization is not enough, hardware changes can transform your experience. This is where the biggest gains happen. And here is that counterintuitive mistake I mentioned earlier: people often upgrade the CPU first. That is usually wrong.

Upgrade from HDD to SSD

Replacing a traditional hard drive with a solid state drive is the single most effective upgrade for older PCs. SSDs are typically 5 to 10 times faster than HDDs in real-world boot and application load scenarios. Boot times often drop from 60-120 seconds to 15-25 seconds after switching to SSD storage. It ^[8] feels like a new computer.

I still remember the first SSD upgrade I did. The old machine sounded like a tiny lawn mower and took forever to open a browser. After the swap, everything was instant. I actually laughed. That kind of improvement is rare in tech.

Add more RAM and enable XMP in BIOS

If your system has 4GB or 8GB of RAM, upgrading to 16GB significantly improves multitasking. Systems with 16GB experience far fewer slowdowns when running multiple browser tabs and office apps. Also, enabling XMP or EXPO in BIOS ensures your RAM runs at its rated speed. Without it, memory may operate at lower default frequencies, leaving performance on the table.

Rarely have I seen a RAM upgrade not improve responsiveness when memory was the bottleneck. Just check compatibility first.

Software optimization vs hardware upgrades

If you are deciding how can I make my computer faster, you usually face two paths: optimize what you have or upgrade components.

Software Optimization

• Beginner-friendly, reversible changes
• Typically 10-30% improvement depending on system condition
• Relatively new PCs with cluttered systems
• Free, uses built-in Windows tools and system settings

Hardware Upgrades

• Moderate, may require opening the case or reinstalling Windows
• SSD upgrades can deliver 5-10x faster load times compared to HDD
• PCs older than 4-5 years with outdated storage or low RAM
• Requires purchasing SSD, RAM, or other components

Minh upgrades his 6-year-old office PC in Ho Chi Minh City

Minh, a 29-year-old office worker in Ho Chi Minh City, was frustrated because his 6-year-old PC took nearly two minutes to boot. He blamed the processor and almost bought a new machine.

He first tried uninstalling unused apps and disabling startup programs. The system felt slightly better, but still lagged when opening spreadsheets and browser tabs.

Instead of replacing the CPU, he switched from a 1TB HDD to a 500GB SSD and added 8GB of RAM to reach 16GB total. Installation took one afternoon.

Boot time dropped to around 20 seconds and multitasking felt smooth again. Minh postponed buying a new PC and saved a significant amount of money.