How My Frustration with Windows Turned into an Open-Source Performance Toolkit.

Armanpreet Singh — Tue, 21 Jul 2026 17:14:53 +0000

I Spent Years Optimizing Windows So You Don't Have To — Here's What I Learned

When people buy a new PC, they expect it to be fast.

A few weeks later, it starts feeling slower.

Applications take longer to open.

Boot times increase.

Background processes consume memory.

Games don't perform quite as well.

The first instinct is usually:

"I guess my hardware isn't powerful enough."

But after spending years tweaking, reinstalling, benchmarking, and experimenting with Windows, I've learned something different.

Most Windows installations are never actually optimized.

They're designed to work for everyone, not to perform as well as possible for you.

This realization eventually led me to build my own Windows Performance Toolkit—a collection of Registry tweaks, PowerShell scripts, Batch files, and documentation that I've refined over years of personal use.

This article isn't about "magic tweaks."

It's about understanding why Windows behaves the way it does and how thoughtful optimization can make a noticeable difference.

Windows Is Built for Compatibility, Not Performance

Microsoft has an incredibly difficult job.

Windows has to run on:

old laptops
gaming desktops
business workstations
tablets
touch devices
enterprise environments
school computers
custom-built PCs

Because of that, Windows enables a huge number of services, features, and background tasks by default.

Many users need them.

Many don't.

Rather than assuming what each user wants, Microsoft enables most of them.

That makes sense.

But it also means many systems spend resources on features their owners never use.

Why Does Windows Feel Slower Over Time?

One thing I noticed after multiple fresh installations is that Windows itself isn't necessarily slow.

Instead, performance slowly changes because of:

startup applications
scheduled tasks
telemetry
background services
indexing
cloud synchronization
update maintenance
third-party software
vendor utilities

Each individual process isn't expensive.

But together, they create noticeable overhead.

Windows 10 vs Windows 11

This is probably the most controversial topic.

From my personal experience, Windows 10 often feels more responsive on older or mid-range hardware.

Windows 11 introduces many improvements:

newer interface
improved security
better window management
Auto HDR
DirectStorage support
modern design

However, those improvements also come with additional background components and security features that can increase resource usage on some systems.

Features such as:

Memory Integrity (HVCI)
Virtualization-Based Security (VBS)
additional UI animations
Widgets
Copilot integrations
expanded cloud services

can affect performance depending on the hardware configuration.

On modern CPUs, many users won't notice much difference.

On older systems, however, these additional layers may contribute to a less responsive experience.

This doesn't mean Windows 11 is "bad."

It simply means different systems respond differently.

Privacy Settings Matter More Than Most People Think

Windows collects diagnostic information to improve reliability, security, and the user experience.

Many of these settings are completely reasonable.

However, over the years I found that many users simply don't need every optional background feature enabled.

Reviewing privacy settings can help reduce unnecessary background activity while giving users greater control over how their system behaves.

The goal isn't to disable everything.

It's to understand what each setting does and choose what makes sense for your workflow.

Small Changes Add Up

One registry tweak rarely changes much.

One PowerShell script isn't revolutionary.

Disabling one startup application won't double your FPS.

But dozens of thoughtful optimizations together can noticeably improve how Windows feels.

For me, optimization became less about chasing benchmark numbers and more about improving the overall experience:

faster startup
quicker file explorer
fewer unnecessary background tasks
lower idle resource usage
less visual clutter
smoother workflow

Why I Built My Own Toolkit

windows-performance-toolkit/
│
├── 🚀 Basic Optimizations
├── ⚡ Advanced Tweaks
├── 📝 Registry Tweaks
├── 🛡️ Group Policy Tweaks
├── 🌐 Networking
├── 🎮 GPU Optimizations
├── 🧠 CPU Tweaks
├── 🧹 Cleanup & Maintenance
├── 🔋 Power Plans
├── 🛠️ Utilities & Scripts
├── ♻️ Restore Tools
├── 📚 Documentation
└── 📸 Screenshots

After reinstalling Windows more times than I can count, I realized I kept repeating the same steps.

Open Settings.

Disable certain features.

Apply registry tweaks.

Run PowerShell commands.

Configure services.

Remove unnecessary startup applications.

Adjust Explorer settings.

Tweak gaming options.

Repeat.

Again.

And again.

Eventually I asked myself:

Why not automate everything?

So I started building a toolkit.

Not a random collection of internet tweaks.

Not one-click "FPS boosters."

Instead, every script exists because I personally tested it, understood what it changes, and documented why it exists.

Today the toolkit includes:

Registry tweaks
Batch scripts
PowerShell utilities
Windows configuration helpers
Gaming optimizations
Privacy adjustments
Explorer improvements
Performance tweaks
Documentation for every folder

Everything is organized so I know exactly what each file does before I run it.

My Philosophy

I don't believe in disabling every Windows service.

I don't believe in downloading mysterious "optimizer" programs.

I don't believe in scripts that modify hundreds of unknown registry keys.

Instead, I prefer:

understanding every change
documenting every tweak
making reversible modifications whenever possible
keeping Windows stable
optimizing responsibly

Performance should never come at the cost of reliability.

What I Learned

After years of experimenting, here's what I'd tell anyone trying to speed up Windows:

Keep startup applications under control.
Understand what background software is running.
Don't blindly copy registry tweaks from random websites.
Test one change at a time.
Always create a restore point before major modifications.
Keep drivers and firmware updated.
Don't expect miracles—optimization is about many small improvements, not one giant fix.

Open Source

Since I kept rebuilding the same collection of tweaks after every Windows installation, I finally decided to organize everything into a GitHub repository.

If you're interested in understanding Windows optimization—or want a documented collection of scripts instead of random downloads—feel free to check it out.

I'd also love feedback, suggestions, or pull requests from others who enjoy digging into how Windows works.

Open source projects improve because of community knowledge, and I'm always learning something new.

Final Thoughts

Windows isn't a bad operating system.

It's designed for billions of users with completely different needs.

That means the default configuration prioritizes compatibility, security, and broad usability over maximum responsiveness for any single person.

Optimization isn't about turning Windows into something it isn't.

It's about removing friction from your workflow.

Building this toolkit taught me far more than registry editing or scripting—it taught me how Windows actually works beneath the surface.

And honestly, that's been the most valuable part of the journey.

If you've built your own optimization scripts or have tweaks you've found useful, I'd love to hear about them in the comments. We all learn from sharing what works—and what doesn't.

DEV Community: Armanpreet Singh