Download AntiAFK-RBX v3.1
Get the latest stable build of the most trusted Roblox Anti-AFK tool. 100% free, open-source, and verified for the 2026 Hyperion update.
File Information
- Version: 3.1 (Stable)
- Date: Jan 2026
- Size: 214 KB
- OS: Windows 10/11
- License: MIT (Open Source)
# System Requirements & Compatibility
Before downloading, ensure your PC meets the following minimum specifications for optimal 24/7 uptime.
| Component | Minimum Requirement | Recommended |
|---|---|---|
| Operating System | Windows 10 (64-bit) | Windows 11 (Latest) |
| Processor | Dual Core 2.0GHz | Quad Core+ (for Multi-Instance) |
| Memory (RAM) | 4 GB | 8 GB+ |
| DirectX | Version 11 | Version 12 |
Client Support
- ✅ Roblox Web Player
- ✅ Bloxstrap (Custom)
- ✅ MS Store Version
- ❌ macOS / Mobile
How to Use AntiAFK-RBX Properly
Follow this 4-step sequence to ensure 100% uptime without server kicks.
Unzip & Exclude
Extract the .zip file to a folder on your Desktop. If Windows Defender flags it, go to Settings > Virus & Threat Protection and add the folder to your “Exclusions” list.
Run as Admin
Right-click AntiAFK-RBX.exe and select Run as Administrator. This is required to allow the tool to send input signals to background Roblox windows.
Select Interval
Choose your Anti-AFK mode. For Pet Simulator 99, use “Randomized Movement”. For general games, a simple 300s (5m) interval is sufficient.
Toggle Enable
Click “Enable Anti-AFK”. You will see a status message saying “Scanning for Roblox Instances…”. You can now minimize the tool and go AFK.
Prefer Video? We are currently preparing a YouTube setup walkthrough. Subscribe to our newsletter to be notified when it drops!
File Integrity & Security Report
SHA-256 Checksum (v3.1 Stable):
sha256:a0762112a32f29ca8d96530805a9be5cd0920e6f5ad26eebdfd7bc83b1414fe8
* Please verify that your downloaded file matches the hash above to ensure it hasn’t been modified by third parties.
VirusTotal Status
Our latest build has been scanned by over 70+ antivirus engines (including Windows Defender, Avast, and Kaspersky).
View Live Scan Report →Why is it flagged?
Some heuristics engines may flag Anti-AFK tools as “Trojan.Clicker” or “RiskWare” because the software simulates mouse/keyboard inputs. As an open-source utility, this behavior is intentional and non-malicious.
“Security is our priority. If you are ever in doubt, you can build the executable yourself from our GitHub source code.”
What’s New in v3.1 Stable
Released: January 2026 | Optimized for the latest Roblox Client
Auto-Hide & Logic Fixes
Added Auto-Hide feature for streamlined background grinding. Improved the Auto-Reset character logic to ensure sessions stay active even in complex simulator environments.
Multi-Instance Synchronization
Enhanced support for Multi-Instance Roblox. Added custom intervals between window focus-switching to prevent CPU spikes and anti-cheat triggers.
UI & Compatibility
Full UI redesign for high-DPI monitors (10-bit support). Verified compatibility with Bloxstrap and FishStrap launchers in the 2026 environment.
Older versions (v3.0, v2.2) are archived on our GitHub Releases page.
How We Bypass the 2026 Hyperion Detection
Technical transparency is key to building community trust.
Modern Roblox security, powered by Hyperion (Byfron), uses advanced heuristics to detect automation. Most public “Anti-AFK” scripts fail because they inject code into the RobloxPlayerBeta.exe memory, which is an immediate red flag.
Our Multi-Layered Protection:
- Zero-Injection Policy: AntiAFK-RBX never touches game memory or modifies DLLs.
- Ring-3 Level Input: We use the
SendInputWindows API to simulate hardware-level signals that bypass user-mode hooks. - Non-Linear Jitter: Unlike bots that move every 60.00 seconds, our tool adds a random ±3.5s variance to every action.
- PID Randomization: The utility changes its own process behavior slightly to avoid simple string-based detection.
Undetected Since Release
AntiAFK-RBX has maintained a 0% Ban Rate since the 2026 64-bit client update. By staying outside the “Game Environment,” we ensure your account remains in good standing.
Keywords: Windows API Hooking, Heuristic Analysis, 64-bit Client Security, External Automation, Roblox Anti-Cheat 2026.
Trusted by the Global Roblox Community
AntiAFK-RBX is the #1 choice for simulators, RNGs, and tower defense grinders.
Advanced Configuration Guide
Optimize AntiAFK-RBX for peak performance on high-end and low-end systems alike.
🛡️ Administrator Privileges
For the most reliable experience, right-click AntiAFK-RBX.exe and select “Run as Administrator”. This ensures the Windows API grants the tool priority when sending virtual inputs to background or minimized Roblox windows.
⏱️ Optimal Intervals
The default interval is set to 5 minutes. If you are playing games with aggressive custom anti-idle scripts (like some Tower Defense games), we recommend lowering the interval to 2-3 minutes to stay ahead of the server-side kick timer.
🔄 Multi-Instance Focus
Using Bloxstrap? Enable the “Multi-Instance” toggle in our tool. It will cycle through all active processes named RobloxPlayerBeta.exe, sending a signal to each instance in a round-robin sequence to ensure no account is left idle.
💻 Background Mode
Once enabled, you can safely minimize the AntiAFK-RBX window to the System Tray. It will continue to run in the background with near-zero CPU usage, allowing you to use your browser or other apps without interruption.
Troubleshooting Common Issues
Encountering problems? Here are the most common solutions for AntiAFK-RBX.
1. The tool opens and closes immediately?
This is usually caused by Windows Defender SmartScreen or a third-party antivirus blocking the execution. To fix this, add the file as an “Exclusion” in your antivirus settings. Because the tool uses C++ to simulate keystrokes, it is sometimes flagged as “RiskWare” despite being 100% clean.
2. Still getting kicked even with the tool running?
Ensure you have “Run as Administrator” enabled. Also, check if your game has a custom AFK timer. Some simulators (like Pet Sim 99) require a shorter interval. Try setting the tool to 3 minutes. Lastly, ensure your PC isn’t entering “Sleep Mode”—change your Windows Power Settings to “Never Sleep”.
3. Multi-Instance mode isn’t working?
Make sure you are using Bloxstrap or a compatible multi-instance launcher. All Roblox windows must be active (not completely killed by a task manager). The tool will only cycle through windows that are currently running as RobloxPlayerBeta.exe.
4. Missing .DLL errors?
AntiAFK-RBX requires the Visual C++ Redistributable. If you get a DLL error, download and install the latest “vc_redist.x64.exe” from the official Microsoft website.
Still having issues? Visit the GitHub Issue Tracker to report bugs directly to the developers.