Official Guide · Lifetime License & Installation

How to Install & Activate Oncilla OS

Follow these quick visual steps to download, launch, and activate your lifetime license on your computer.

🔑

License Key Delivery

Your unique license key is sent directly to your Email and WhatsApp.
To receive your key immediately or speak directly with our onboarding team:

Message Support on WhatsApp (+212 660-926450)
Download for Mac
Universal .dmg · Apple Silicon & Intel
Download for macOS (.dmg) ↓
Download for Windows
Portable .zip · Windows 10 & 11
Download for Windows (.zip) ↓

Windows Installation & Launch

Windows 10 & Windows 11 · Zero complex installer needed

1

Extract the Downloaded Zip File

Go to your Downloads folder. Right-click on Oncilla_OS_v1.0.6_Portable_Secured.zip and click Extract All....

Extract Zip File on Windows
📁 Right-click on the downloaded zip file and extract it.
2

Open the Folder & Double-Click Oncilla OS

Open the extracted folder and double-click the file named Oncilla OS.

Open Oncilla OS executable
⚡ Double-click the Oncilla OS application icon to launch.
3

Bypass Windows SmartScreen (First Launch Only)

If Windows Defender shows a blue security screen "Windows protected your PC", follow these 2 quick clicks:

Click More info on Windows Defender
Click 1: Click on More info
Click Run anyway button
Click 2: Click Run anyway
💡 Why does Windows show this? Because Oncilla OS is a portable offline desktop app that doesn't use the Microsoft Store. Clicking "Run anyway" allows it to run safely on your PC.
4

Enter License Key & Start

Paste the lifetime license key you received on WhatsApp / Email. Your offline database is unlocked instantly!

Oncilla OS Dashboard running
🎉 Oncilla OS running 100% locally with zero internet dependency.

macOS Installation & Launch

Apple Silicon (M1/M2/M3/M4) & Intel Macs

1

Open the Downloaded .dmg File

Double-click Oncilla.OS-1.0.6-universal.dmg in your Downloads folder.

2

Drag Oncilla OS to Applications

In the window that opens, drag the Oncilla OS icon into the Applications folder.

Drag Oncilla OS to Applications on macOS
🍎 Drag the Oncilla OS icon into your Applications folder.
3

First Launch (Gatekeeper Permission)

Open Applications. If macOS shows "App cannot be opened because developer cannot be verified":

🛡️ How to open:
1. Right-click (or Control+click) on Oncilla OS in Applications.
2. Click Open.
3. In the pop-up window, click Open again.
4

Oncilla OS is Ready to Use

Oncilla OS will launch natively. Enter your license key to unlock your offline management dashboard.

Oncilla OS running on macOS
🎉 Oncilla OS native desktop application running on macOS.

Need Help or Guided Assistance?

Our team is available 24/7 on WhatsApp to provide your license key and assist you step-by-step.

Message Support on WhatsApp (+212 660-926450)