3 Best Windows Commands to Boost FPS and Fix Corrupt Windows Files

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When it comes to gaming performance on Windows, most players focus on updating drivers, lowering in-game graphics, or tweaking system settings. But did you know that Windows has built-in commands that can help you boost FPS, reduce stuttering, and fix corrupt system files?

In this guide, we’ll cover the 3 best Windows commands every gamer should know. These commands can optimize your PC, fix hidden errors, and even make your games run smoother.

Why Windows Commands Can Improve Gaming Performance

Windows commands are executed through the Command Prompt (CMD) or PowerShell. Unlike third-party software, these tools are built directly into Windows, meaning they are safe, reliable, and free.

Here’s how they help with FPS boosts and fixing corrupt files:

  1. Remove junk system errors that slow down your PC.
  2. Repair damaged system files that may cause stutters or crashes.
  3. Optimize memory usage and background processes.

Now let’s dive into the top 3 commands you should run.

1. SFC /Scannow – Repair Corrupt Windows Files

One of the most common causes of low FPS and game crashes is corrupt system files. Windows relies on important files to run background services. If any of them get corrupted, your PC performance takes a hit.

The System File Checker (SFC) command scans and repairs these files automatically.

How to Run SFC /Scannow:

  1. Press Win + S, type CMD, right-click, and select Run as Administrator.

  2. Type the following command and hit Enter:

sfc /scannow

  1. Wait for the scan to finish (this may take a few minutes).

  2. If corrupt files are found, Windows will repair them automatically.

👉 Running this command once every month is a great way to maintain smooth gaming performance and prevent FPS drops caused by hidden errors.

📌 Recommended Read: How to Fix 100% CPU Usage in Windows for Better FPS

2. DISM Command – Fix Deeper Windows Issues

Sometimes, SFC alone isn’t enough. If your PC has severe corruption or performance issues, you need to use Deployment Imaging and Servicing Management (DISM).

DISM repairs the Windows image files, which are essential for system stability.

How to Run DISM:

  1. Open Command Prompt as Administrator.

  2. Enter the following commands one by one:

DISM /Online /Cleanup-Image /CheckHealth
DISM /Online /Cleanup-Image /ScanHealth
DISM /Online /Cleanup-Image /RestoreHealth

  1. Once complete, restart your PC.

This will ensure that your Windows installation is healthy and optimized, which helps prevent random crashes and FPS stuttering during gaming.

👉 Tip: Always run DISM before SFC if you suspect deeper corruption.

📌 Related Guide: Best Windows Settings for Maximum Gaming Performance

3. Powercfg – Optimize Power Settings for FPS Boost

By default, Windows tries to balance performance and power saving. While that’s great for laptops, it’s not ideal for gaming. Using the Powercfg command, you can unlock hidden high-performance power modes that give your CPU and GPU maximum power.

How to Run Powercfg Command:

  1. Open Command Prompt as Administrator.

  2. Type the following command:

powercfg -duplicatescheme e9a42b02-d5df-448d-aa00-03f14749eb61

  1. This will enable the Ultimate Performance Power Plan.

  2. Go to Control Panel > Hardware and Sound > Power Options and select Ultimate Performance.

This mode ensures your PC uses maximum resources for gaming, boosting FPS and reducing input lag.

👉 If you’re on a desktop PC, this is a must-use command for consistent high FPS.

📌 Must-Read: Top 10 Tweaks to Increase FPS in Windows 11

Bonus Tips – Combine Commands for Maximum FPS

To get the best results, here’s the recommended order of using these commands:

  1. Run DISM to repair deep Windows corruption.

  2. Run SFC /Scannow to fix remaining system file issues.

  3. Apply Powercfg Ultimate Performance to maximize gaming power.

Doing this once every few weeks will keep your Windows running like new, ensuring smooth gameplay, faster loading times, and fewer FPS drops.

Final Thoughts

If you’re a gamer struggling with low FPS, stutters, or system crashes, don’t overlook the built-in power of Windows commands.

  • SFC /Scannow → Fix corrupt system files.

  • DISM → Repair Windows image and deeper corruption.

  • Powercfg → Unlock hidden performance for maximum FPS.

These 3 commands are essential for every gamer who wants to squeeze more performance out of their PC without installing risky third-party tools.

🔥 Try them today and watch your games run smoother than ever!

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