PC Optimization Guide & Tools
135 verified tweaks, settings, and utilities for maximum FPS, cleaner storage, and lower latency.
#1. Enable Game Mode
Prioritizes system resources specifically for active game processes.
#2. Enable Hardware-Accelerated GPU Scheduling (HAGS)
Reduces latency and offloads VRAM management directly to the GPU.
#3. Disable Variable Refresh Rate (VRR) / G-Sync per Game
Prevents frame flicker on non-certified monitors during fast frame drops.
#4. Disable Fullscreen Optimizations
Bypasses the hybrid borderless window overlay forced by Windows.
#5. Set Windows Power Plan to Ultimate Performance
Forces CPU cores to run at 100% clock speeds continuously.
#6. Disable Xbox Game Bar and Background Recording
Frees up GPU/CPU encoding capacity stolen by passive clips.
#7. Configure High Graphics Performance per App
Forces Windows to use your discrete GPU over integrated graphics.
#8. Disable In-Game Overlays (Discord, Steam, GeForce)
Reclaims 3-8 FPS and reduces background render calls.
#9. Adjust CPU Process Priority via Process Lasso
Prevents heavy background software from stealing CPU time from your game.
⬇ Download / Official Site#10. Lock Frame Rates Just Below Max Refresh Rate
Eliminates screen tearing and eliminates input latency spikes.
#11. Enable XMP / DOCP / EXPO in BIOS
Runs your RAM at its advertised overclocked speeds.
#12. Clear Standby RAM Cache with ISLC
Automatically purges cached standby memory before RAM fills up.
⬇ Download / Official Site#13. Set Custom Virtual Memory (Paging File)
Prevents Out-Of-Memory game crashes by assigning fast SSD paging space.
#14. Disable SysMain (Superfetch) Service
Stops excessive RAM pre-loading and high disk usage.
#15. Disable Unnecessary Startup Apps
Frees up 1GB-3GB RAM immediately upon booting.
#16. Disable Memory Compression
Frees CPU cycles by stopping RAM compression routines.
#17. Reduce Chrome / Edge Memory Footprint
Freezes inactive browser tabs automatically.
#18. Close Background WebView2 & Helper Nodes
Kills invisible web renders generated by electron app launchers.
#19. Clean Temporary Files with Storage Sense
Automates deletion of system junk, diagnostic logs, and cache.
#20. Delete Old Windows Installation (Windows.old)
Reclaims 20GB to 40GB of C: drive space after updates.
#21. Purge DirectX Shader Cache
Clears corrupted graphics shader caches that cause game stuttering.
#22. Disable Hibernation (Delete hiberfil.sys)
Instantly frees 8GB - 32GB of space on C: Drive.
#23. Analyze Drive Space Visual Map with WizTree
Locates hidden, massive files taking up space in under 3 seconds.
⬇ Download / Official Site#24. Run TRIM Command on SSDs
Maintains peak SSD read/write speeds over time.
#25. Clean Open-Source Junk with BleachBit
Safe, open-source replacement for CCleaner without background telemetry.
⬇ Download / Official Site#26. Clear Windows Update Cache
Fixes stuck Windows updates and clears corrupted update installers.
#27. Clear %temp% and Prefetch Files
Clears residual application installers and execution traces.
#28. Reduce Delivery Optimization Cache
Prevents Windows from storing gigabytes of peer-to-peer update files.
#29. Run Chris Titus Tech Windows Utility
All-in-one open-source PowerShell script to strip Windows bloatware.
⬇ Download / Official Site#30. Debloat Windows 11 with Win11Debloat
Strips Windows 11 Copilot, AI widgets, and sponsored Start Menu items.
⬇ Download / Official Site#31. Disable Windows Telemetry with O&O ShutUp10++
Stops background analytics sent to Microsoft servers.
⬇ Download / Official Site#32. Uninstall OneDrive (If Unused)
Stops background document locking and file upload cycles.
#33. Turn Off Windows Transparency Effects
Reduces GPU Desktop Window Manager (dwm.exe) load.
#34. Disable Start Menu Web Search & Bing Ads
Forces Windows search to search local PC files only.
#35. Set Non-Essential Windows Services to Manual
Stops background services from booting automatically.
#36. Disable Widgets Board on Windows 11
Reclaims RAM wasted on news feed web panels.
#37. Clean Install GPU Drivers using DDU
Completely wipes corrupted driver registry files.
⬇ Download / Official Site#38. Set NVIDIA Power Management to 'Prefer Max Performance'
Prevents GPU clock speeds from dropping during low-load scenes.
#39. Enable Low Latency Mode (Reflex / Anti-Lag)
Reduces click-to-display input delay in fast shooters.
#40. Set Texture Filtering to 'High Performance'
Provides a minor FPS boost on older graphics cards.
#41. Overclock and Monitor GPU via MSI Afterburner
Extracts extra free GPU performance safely.
⬇ Download / Official Site#42. Undervolt GPU for Lower Temps
Drops GPU temps without losing performance.
#43. Set Threaded Optimization to 'On' (NVIDIA)
Allows GPU drivers to utilize multi-core CPUs efficiently.
#44. Fine-Tune Hidden Settings with NVIDIA Profile Inspector
Exposes hidden driver settings for extreme fine-tuning.
⬇ Download / Official Site#45. Change DNS to Cloudflare or Google
Speeds up website loading times and domain resolution.
#46. Disable Nagle's Algorithm (TCP NoDelay)
Reduces ping latency in MMORPGs and online games.
#47. Disable Network Adapter Power Saving
Prevents random network disconnects and packet loss spikes.
#48. Flush DNS Cache and Reset Winsock Stack
Fixes stale connection routes and game connection drops.
#49. Fix Network Throttling Index
Prevents network throughput throttling during heavy CPU usage.
#50. Disable Receive Segment Coalescing (RSC)
Fixes high latency and packet loss on network adapters.
#51. Run System File Checker (SFC) and DISM Repair
Fixes corrupted Windows system files causing Blue Screens.
#52. Check SSD Health with CrystalDiskInfo
Warns of impending drive failures before losing your files.
⬇ Download / Official Site#53. Update Motherboard BIOS & Chipset Drivers
Fixes hardware bugs and enhances stability.
#54. Create a System Restore Point
Safety fallback before applying system tweaks or registry modifications.
#55. HWiNFO64
Comprehensive real-time hardware monitoring and diagnostic tool.
⬇ Download / Official Site#56. QuickCPU
Fine-tunes CPU core parking, frequency scaling, and power plans.
⬇ Download / Official Site#57. Revo Uninstaller
Deep program uninstaller that scrubs leftover registry keys and hidden folders.
⬇ Download / Official Site#58. LatencyMon
Diagnoses what's causing audio/input latency and stutters on your system.
⬇ Download / Official Site#59. Autoruns
Official Microsoft tool showing everything that launches at startup.
⬇ Download / Official Site#60. Microsoft PowerToys
Official free Microsoft utility pack for power users.
⬇ Download / Official Site#61. Everything (voidtools)
Instant file search across your entire drive.
⬇ Download / Official Site#62. Rufus
Creates bootable USB drives for Windows installs and system recovery.
⬇ Download / Official Site#63. MemTest86
Standalone RAM stress-testing utility to diagnose physical memory errors.
⬇ Download / Official Site#64. TreeSize Free
Alternative disk space visualizer, folder-by-folder breakdown.
⬇ Download / Official Site#65. Purge Standby Memory with RamMap
Instantly empties modified and standby memory lists without rebooting.
⬇ Download / Official Site#66. Schedule Automated EmptyStandbyList Task
Automates background RAM clearing every 5 minutes.
#67. Windows Memory Diagnostic Tool (mdsched)
Built-in Windows hardware RAM tester for memory corruption.
#68. Disable Connected User Experiences & Telemetry (DiagTrack)
Stops telemetry background service from consuming 100MB-300MB RAM.
#69. Disable Core Isolation (Memory Integrity) for Gaming
Reclaims 5% to 12% CPU gaming performance on Windows 11.
#70. Unpark CPU Cores with ParkControl
Prevents Windows from putting secondary CPU cores into low-power parking states.
⬇ Download / Official Site#71. Undervolt & Tweak Intel CPUs with ThrottleStop
Eliminates thermal throttling and lowers CPU temperatures by 5-15°C.
⬇ Download / Official Site#72. Optimize AMD Ryzen Curve Optimizer (PBO)
Boosts AMD Ryzen clocks higher while drawing less voltage.
#73. Disable High Precision Event Timer (HPET) in Windows
Reduces micro-stuttering and micro-latency in high FPS games.
#74. Disable CPU C-States in BIOS (Desktops Only)
Eliminates micro-delays caused by CPU power state sleep transitions.
#75. Tune Laptop APU with Universal x86 Tuning Utility (UXTU)
Unlocks custom power limits and thermal targets for AMD & Intel mobile CPUs.
⬇ Download / Official Site#76. Set Processor Affinity for Problematic Games
Forces games to run only on high-performance P-cores or single CCDs.
#77. Configure FilterKeys for Zero Keyboard Input Lag
Eliminates keyboard repeat delay and repeat rate latency in gaming.
⬇ Download / Official Site#78. Disable 'Enhance Pointer Precision' (Mouse Acceleration)
Ensures 1:1 true physical mouse tracking without artificial acceleration.
#79. Enable MSI Mode on GPU & Network Card (MSI Utility v3)
Converts legacy IRQ pin interrupts to fast Message Signaled-Based Interrupts.
⬇ Download / Official Site#80. Disable Exclusive Audio Mode to Fix Game Audio Stutter
Prevents external audio drivers from locking your sound card and crashing games.
#81. Turn Off Windows Spatial Audio & Sound Enhancements
Eliminates sound processing latency and provides raw positional audio.
#82. Disable USB Selective Suspend & Host Power Saving
Prevents gaming mice, keyboards, and USB DACs from randomly disconnecting.
#83. Fix Realtek Audio Power Management Registry Sleep
Eliminates the annoying 'pop' or delay when audio starts playing through headphones.
#84. Cap FPS with RivaTuner Statistics Server (RTSS)
Provides the smoothest, flattest frame-time graph with zero micro-stutter.
⬇ Download / Official Site#85. Enable Resizable BAR / AMD Smart Access Memory (SAM)
Gives CPU full access to entire GPU VRAM pool for 5-15% FPS gains.
#86. Set Timer Resolution to 0.5ms (TimerResolution Tool)
Lowers Windows system clock resolution from 15.6ms down to 0.5ms.
⬇ Download / Official Site#87. Purge Steam Shader Pre-Caching and Download Cache
Fixes game launch crashes, missing textures, and stuttering.
#88. Disable Discord & Browser Hardware Acceleration
Prevents background apps from stealing GPU encoder cores and VRAM.
#89. Configure Optimal G-Sync + V-Sync Settings
Achieves 100% tear-free gaming with zero input lag penalty.
#90. Disable Windows GameDVR Broadcast via Registry
Completely terminates Windows background recording hooks.
#91. Disable Windows 11 Copilot & AI Telemetry
Stops AI telemetry daemons from running in the background.
#92. Disable Microsoft Edge Background Startup Boost
Stops Edge from pre-launching hidden background instances at boot.
#93. Disable Sticky Keys & FilterKeys Hotkey Popups
Prevents desktop-minimizing popup windows when pressing Shift 5 times in games.
#94. Disable Windows Tips, Tricks and Suggestions
Stops annoying notification toasts and background push ad telemetry.
#95. Disable Windows Indexing Service on Gaming Drives
Reduces continuous background SSD reads and writes.
#96. Enable NTFS 8.3 Name Creation Disablement
Speeds up file directory access and metadata operations by 10-20%.
#97. Compress Windows OS with CompactOS
Reclaims 4GB - 12GB of C: drive space using zero CPU penalty compression.
#98. Clean Deep Browser GPU & Code Caches
Reclaims 3GB to 8GB of bloated hidden cache files.
#99. Disable Windows Error Reporting (WER) Dump Buildup
Prevents gigabytes of useless memory crash dump files from filling the drive.
#100. Disable IPv6 on Network Adapter (If ISP Unsupported)
Eliminates 1-2 second DNS resolution delays caused by IPv6 fallbacks.
#101. Disable Large Send Offload (LSO) on LAN Adapter
Prevents packet bursts and buffer bloat latency spikes in online games.
#102. Disable Energy Efficient Ethernet & Green Ethernet
Prevents network adapter micro-sleep states that cause ping spikes.
#103. Optimize MTU and TCP Parameters with TCP Optimizer
Calculates the mathematically optimal network buffer and MTU packet size.
⬇ Download / Official Site#104. Set Windows QoS Reserved Bandwidth to 0%
Prevents Windows from reserving 20% of network throughput for background tasks.
#105. Flush and Rebuild ARP Routing Cache
Fixes IP address conflict dropouts and stale router ARP bindings.
#106. Analyze Crash Dumps with BlueScreenView
Instantly identifies the exact driver or DLL file responsible for BSODs.
⬇ Download / Official Site#107. Stress Test CPU, GPU & Power Supply with OCCT
Industry gold standard for detecting hidden hardware errors and unstable overclocks.
⬇ Download / Official Site#108. Benchmark Multi-Core Thermal Limits with Cinebench
Measures sustained CPU performance and flags thermal throttling.
⬇ Download / Official Site#109. Test GPU Artifacts & Thermal Stability with FurMark
Heavy OpenGL stress test to expose failing GPU VRMs, VRAM, and fans.
⬇ Download / Official Site#110. Analyze Crash Reports in Plain English with WhoCrashed
Translates complex memory crash codes into simple actionable explanations.
⬇ Download / Official Site#111. Inspect Critical Errors in Windows Event Viewer
Reveals hidden hardware crashes, kernel power losses, and drive errors.
#112. Update All Installed Software via Winget in 1 Click
Updates all your installed programs, runtimes, and tools in a single command.
#113. Benchmark 1% Low FPS & Frame Times with CapFrameX
Captures true game smoothness, micro-stutters, and 0.1% / 1% low frame rates.
⬇ Download / Official Site#114. Style Clean Taskbars with TranslucentTB
Makes Windows taskbar fully transparent with zero performance cost.
⬇ Download / Official Site#115. Lightweight Open Hardware Monitor
Ultra-light hardware sensor monitor with minimal RAM and CPU footprint.
⬇ Download / Official Site#116. Bulk Rename Utility
Batch rename thousands of files, game mods, and screenshots instantly.
⬇ Download / Official Site#117. 7-Zip Built-In Memory & CPU Benchmark
Tests RAM bandwidth and CPU integer performance in 5 seconds.
⬇ Download / Official Site#118. Enable Ultimate Windows Performance Power Plan via CMD
Disables all core sleeping and micro-latencies on desktop hardware.
#119. Disable Windows Background Apps on Windows 10 & 11
Prevents UWP apps from running and consuming RAM while closed.
#120. Clean Steam Download & Shader Cache
Fixes corrupt game updates and frees 5GB-20GB of disk clutter.
#121. Check Hard Drive Health with CheckDisk (chkdsk)
Scans file system metadata and repairs bad sectors on storage drives.
#122. Disable Remote Assistance & Remote Desktop if Unused
Closes background listening ports and reduces attack surface.
#123. Set Ethernet Adapter Speed & Duplex to Full Duplex
Locks network interface to maximum throughput without auto-negotiation lag.
#124. Purge Windows Component Store (WinSxS)
Reclaims 5GB - 15GB by removing superseded Windows update components.
#125. Disable Mouse Polling Rate Bottleneck
Verifies true 1000Hz / 4000Hz / 8000Hz mouse polling stability.
#126. Disable Windows Spotlight on Lock Screen
Stops background bing image downloads and lock screen ad pushes.
#127. Disable Start Menu Recommendations in Windows 11
Reclaims Start Menu real estate and stops cloud file indexing.
#128. Tune Virtual Memory Paging File on Multiple Drives
Distributes paging loads across your fastest NVMe drives.
#129. Check Battery Health on Gaming Laptops (powercfg)
Reveals exact battery wear percentage and capacity degradation.
#130. Disable Windows Game Bar Presence Writer
Permanently stops the background executable GameBarPresenceWriter.exe.
#131. Disable Windows Delivery Optimization P2P Sharing
Stops your PC from uploading Windows updates to stranger PCs on the web.
#132. Adjust In-Game DPI Scaling Override for Sharp Graphics
Fixes blurry game rendering and incorrect mouse sensitivity scaling.
#133. Clean Prefetch Folder Safely
Cleans outdated application launch traces after major uninstalls.
#134. Disable V-Sync in In-Game Menus When Using G-Sync/FreeSync
Prevents double-buffering input delay when frame rates dip.
#135. Backup Windows Registry before Deep System Tweaking
Guarantees full system recovery if any registry tweak causes issues.