Unlock every frame. Eliminate every bottleneck.
Built for gamers who don't compromise.
Online Now
Uptime
Game Profiles
Tweaks
Everything your PC needs.
Feel the difference.
ErX Optimizer is a Windows-native tool built in C++ that rips through system overhead so your CPU talks directly to your games.
Process
System Tweaks
100+ registry and OS-level optimizations: power plans, timer resolution, interrupt affinity, network stack tuning.
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Hardware Monitor
Real-time CPU, RAM, GPU load, temperature, frequency and ping tracking. System health score at a glance.
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Game Profiles
Optimized in-game settings for CS2, Valorant, Fortnite, Apex Legends and more — with documented FPS gains.
Process
Service Killer
Disable telemetry, background services, and unnecessary Windows tasks with one click. Restore anytime.
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Before / After Benchmark
Capture baseline metrics, apply optimizations, and measure real performance deltas — timer resolution & memory latency.
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Hardware-Bound License
Your key is tied to your hardware ID. No floating licenses, no account sharing. Secure by design.
Built for people who care.
If you've ever lost a clutch because of a lag spike, a stutter, or a 5ms input delay — ErX Optimizer was built for you.
- Competitive FPS players
- Streamers and content creators
- PC enthusiasts chasing every frame
- Anyone tired of bloated Windows
Get ErX Optimizer
v30.1 · PORTABLE · NO INSTALL
Single portable .exe — no installation needed. A license key unlocks all features.
Up and running
in 6 steps.
No bloat, no config files. Just open, activate, and optimize.
Download & Launch
Download ErX Optimizer and run it as Administrator. No installation needed — it's a single portable .exe.
Right-click → Run as administrator. Windows SmartScreen may prompt you; click 'More info' → 'Run anyway'.
Activate Your License
Open the License tab. Enter your key (XXXX-XXXX-XXXX-XXXX) and click Activate.
The key is hardware-bound — ties to your machine on first use. Internet required for activation.
Apply System Tweaks
Navigate to System Tweaks. Enable the optimizations relevant to your hardware and use case.
Start with Power Plan and Timer Resolution for the biggest gains. Each tweak shows a description.
Kill Junk Services
Go to Services. Disable telemetry, search indexer, and other background noise with one click.
Services are categorized: Telemetry, Performance, Unnecessary. All reversible at any time.
Load a Game Profile
Open Game Profiles and select your game. Apply recommended in-game settings for maximum FPS.
Profiles for CS2, Valorant, Apex, Fortnite and more — tested for competitive play.
Benchmark & Verify
Use Before/After Benchmark to measure your actual performance gain after applying tweaks.
Captures timer resolution and memory latency. Real numbers — not promises.
Watch how it works.
From install to boosted FPS in under 9 minutes.
COMING SOON
Full product walkthrough · 1080p
One price.
Forever yours.
No subscriptions. No recurring fees. Pay once, own it for life.
- All system tweaks & optimizations
- Hardware monitor (CPU, GPU, RAM, ping)
- 9+ game profiles with FPS settings
- Service killer (telemetry & junk)
- Before/After benchmark tool
- PRO features (x2APIC, pagefile, etc.)
- All future updates included
- Priority support
🔒 Hardware-bound · 3 device transfers · Secure checkout
Stop losing frames.
Start winning games.
One payment. Lifetime access. Every tweak, every profile, every update — forever yours.