Introduction
A slow computer can be frustrating. Whether you use your PC for work, school, or gaming, performance issues affect productivity and peace of mind. Fortunately, there are free tools that can help clean, optimize, and boost your Windows PC without spending a penny.
In this guide, you will discover the 10 best free tools to speed up your Windows PC in 2025. Each tool addresses different issues, from removing junk files to improving startup speed.
1. CCleaner Free
CCleaner is one of the most popular optimization tools. It cleans temporary files, browser history, and system caches that slow down your PC.
👉 Why it helps:
- Removes gigabytes of unnecessary files.
- Optimizes Windows Registry.
- Speeds up boot times by managing startup programs.
2. BleachBit
If you want a lighter alternative, BleachBit is open-source and free. It works similarly to CCleaner but with extra transparency.
👉 Features include:
- Deep cleaning for browsers like Chrome and Firefox.
- Secure file deletion.
- Multi-platform support (Windows and Linux).
Moreover, since it is open-source, there are no hidden ads or paid upgrades.
3. Malwarebytes Free
Sometimes a PC slows down due to malware. Malwarebytes scans and removes hidden threats.
- Detects viruses, spyware, and adware.
- Runs alongside Windows Defender.
- Easy to use with quick scan options.
As a result, your computer will perform faster and safer.
4. AVG TuneUp (Free Trial)
While AVG offers a premium version, its free trial provides useful features.
👉 What it does:
- Puts unused apps to “sleep” to save memory.
- Cleans junk files.
- Extends battery life for laptops.
5. Advanced SystemCare Free
This tool from IObit is an all-in-one optimizer.
- Cleans junk files.
- Protects against spyware.
- Improves internet speed.
In addition, it has a beginner-friendly interface.
6. Razer Cortex
If you are a gamer, Razer Cortex is ideal. It frees up system resources while you play.
👉 Benefits:
- Boosts game performance.
- Automatically closes background apps.
- Provides FPS (frames per second) monitoring.
7. Wise Disk Cleaner
Wise Disk Cleaner specializes in cleaning unnecessary files.
- Removes browser junk.
- Defragments hard drives.
- Lightweight and easy to use.
Therefore, it is a good choice for older PCs.
8. Glary Utilities
This tool combines multiple optimization features.
- Cleans junk files and registry.
- Manages startup apps.
- Fixes broken shortcuts.
Moreover, it has over 20 utilities in one package.
9. Windows Built-in Tools
Do not forget about built-in Windows features.
- Disk Cleanup: Frees up space by removing system files.
- Storage Sense: Automatically deletes old temporary files.
- Defragment and Optimize Drives: Improves performance for HDDs.
10. Autoruns
Sometimes the main issue is too many startup programs. Autoruns (by Microsoft Sysinternals) shows all apps that start with Windows.
👉 With it, you can:
- Disable unnecessary startup entries.
- Speed up boot time.
- Identify hidden background processes.
Conclusion
A slow PC does not always require new hardware. By using these free optimization tools, you can dramatically improve performance.
To summarize:
- Use CCleaner or BleachBit for junk removal.
- Scan with Malwarebytes for hidden threats.
- Optimize gaming with Razer Cortex.
- Manage startup apps with Autoruns.
With regular maintenance, your Windows PC will stay fast and efficient.
With regular maintenance, your Windows PC will stay fast and efficient.
For more useful guides like these (best free tools to speed up Windows PC) visit our website at