Best Game Booster Programs for Speeding Up a PC
For most Windows gamers, the best first choice is the free tools already built into Windows: Game Mode, Task Manager and Startup Apps. They can reduce background activity without adding another utility, while Razer Cortex is a reasonable optional booster if you want one-click cleanup and game-library features; no program can make weak hardware perform like a new PC.
What to Look For
A useful game booster should make a specific, measurable change: reduce background CPU or memory use, prevent unnecessary apps from launching, or simplify access to settings. Treat claims of dramatically higher frame rates with caution. Closing a busy browser or an updater may help when resources are constrained, but software cannot raise a graphics card’s underlying capability.
- Clear, reversible actions: You should be able to see what will be stopped or changed and restore normal behavior afterward.
- Low overhead: A booster that constantly runs in the background can consume the resources it claims to save.
- Compatibility: Avoid stopping security software, drivers, audio services, or essential Windows processes. Doing so can cause instability or weaken protection.
- Useful measurements: Compare the same game, scene and graphics settings before and after. Average frame rate and frame-time consistency matter more than a vague “optimized” score.
- Trust and cost: Prefer well-known tools with transparent settings. Check the current price and included features before installing; free tiers and paid bundles can change.
Windows Game Mode, Task Manager and Startup Apps
Strengths: This built-in combination is free, already available on supported Windows PCs and avoids installing a separate optimizer. Game Mode prioritizes gaming activity, while Task Manager helps identify resource-heavy applications and Startup Apps lets you prevent nonessential programs from opening at sign-in. Search Windows Settings for “Game Mode” to check its switch; use Task Manager’s Processes and Startup apps views to review activity.
Trade-offs: It is not a single-button cleanup tool, and Game Mode does not guarantee higher frame rates. Disabling startup apps only helps if they would otherwise use meaningful resources. Do not end unfamiliar processes just because their names look unnecessary.
Best for: Most people, especially anyone who wants a safe, no-cost place to start before downloading a booster.
Razer Cortex
Strengths: Razer Cortex is a recognizable Windows game utility with game-library features and a game-boosting mode intended to free resources by managing selected background activity. Its interface can be more convenient than closing programs individually, and the core booster has commonly been offered free; check the current download and terms.
Trade-offs: Results depend on what is running and how resource-limited the PC is. Closing a program can interrupt downloads, notifications or other work, and a boost may make little difference on a system with ample spare capacity. Review its actions rather than assuming every suggested change is beneficial.
Best for: Gamers who want a dedicated interface and are comfortable checking which background tasks a tool manages.
MSI Afterburner
Strengths: MSI Afterburner is a widely used graphics-card monitoring and tuning utility. Its on-screen display can show figures such as GPU temperature, usage and frame rate, helping you determine whether a game is limited by the graphics card or another component. It is more useful for diagnosis and carefully considered GPU tuning than for automatically “boosting” every PC.
Trade-offs: It does not create extra hardware capability, and changing clock speeds, voltage or power limits can cause crashes, heat or instability. Safe settings vary by card and cooling system. Leave tuning controls alone if you only want a simple cleanup; monitor temperatures and restore defaults if problems occur.
Best for: Experienced users who want performance monitoring or understand graphics-card tuning. Download from a trusted source and confirm compatibility with your hardware.
Process Lasso
Strengths: Process Lasso provides detailed control over process priorities and CPU scheduling, along with monitoring and automation features. It can help users who have identified a repeatable conflict between a game and particular background software, rather than relying on a generic list of processes to terminate.
Trade-offs: Its controls are more technical than most gamers need. Changing priorities indiscriminately can make other applications less responsive and is not a guaranteed frame-rate fix. Features and licensing can vary, so check the current edition before purchase.
Best for: Power users troubleshooting a specific CPU scheduling or background-process issue—not beginners seeking a universal one-click speedup.
AMD Software: Adrenalin Edition or NVIDIA App
Strengths: These manufacturer utilities provide graphics drivers and GPU-specific settings for compatible AMD or NVIDIA hardware. Keeping a suitable driver current can fix game-specific bugs and improve compatibility; the apps may also provide performance overlays and settings relevant to that GPU.
Trade-offs: They are not universal PC cleaners and will not optimize every background app. Driver updates can occasionally introduce issues, so use the correct vendor software for your graphics card and avoid changing several settings at once. Features differ by hardware and software version.
Best for: Players who need graphics drivers, GPU monitoring or vendor-specific controls. If a game already runs well, updating solely in pursuit of a guaranteed frame-rate increase is unnecessary.
How to Choose
Start with budget. If you want a free option, use Windows’ built-in controls first. Razer Cortex may suit you if its convenience and extra features address a real need. Avoid paying for a vague promise of faster gaming: a paid utility is worthwhile only when you understand which feature you are buying and will use it.
Match the tool to the problem. If Windows starts slowly, review Startup Apps. If a browser or other program consumes memory while you play, close it normally or investigate its settings. If you suspect a graphics bottleneck, use a GPU monitoring tool such as Afterburner or the appropriate AMD or NVIDIA app. If you are unsure what is limiting performance, measure first rather than applying every “optimization.”
Weigh convenience against control. Automatic boosting is simpler, but it may close something you need. Manual changes take longer and are easier to understand and reverse. Make one change at a time, keep notes, and test the same game section at the same resolution and quality settings. Background downloads, temperature, online-server conditions and game updates can all change results.
Before installing any optimizer, check its publisher and download source, read the permissions and review optional bundled software. Avoid tools that urge you to disable antivirus protection, delete unknown system files, or promise enormous improvements without explaining how. For persistent low performance, check temperatures, free storage, driver compatibility and whether the PC meets the game’s requirements; a booster cannot repair failing hardware.
Frequently Asked Questions
Do game boosters actually increase FPS?
Sometimes, if unnecessary background activity is using resources. On a system that already has room to spare, the difference may be negligible; the result depends on the game and PC.
Is Windows Game Mode enough?
It is a sensible free starting point, but it does not replace diagnosing a bottleneck or closing a resource-heavy app. It is not a guaranteed performance upgrade.
Are game boosters safe?
Reputable tools can be safe when downloaded from their official sources and used carefully. Review what they stop or change, and do not disable security tools or essential services for a small or uncertain gain.
Should I use more than one booster?
Usually not. Multiple utilities may duplicate changes, consume resources or conflict. Use one tool for a clear purpose and compare results.
Can a booster fix low FPS on an old PC?
It may reduce avoidable background load, but it cannot overcome hardware limits. Lowering in-game graphics settings or upgrading a bottlenecked component may matter more.
Bottom Line
Begin with Windows Game Mode, Task Manager and Startup Apps: they are free, transparent and sufficient for many PCs. Add Razer Cortex only if you value its convenience, and use Afterburner, Process Lasso or your GPU vendor’s software for their specific monitoring or tuning needs. Measure before and after, keep changes reversible, and do not expect a booster to replace hardware that cannot meet a game’s demands.
Related
Method: the standard formula for this calculation, rounded as each result states. See how the calculators work or report an error.