Installation Guide
Follow our step-by-step guide to install pearOS NiceC0re on your system. Experience the new Electron-based installer.
⚠️ CRITICAL WARNING: Installing pearOS NiceC0re will completely erase your disk, just like an official macOS installation. This process is irreversible and will permanently delete all your data, applications, and operating system.
Before proceeding:
• Backup ALL important data to external storage or cloud
• Prepare a USB drive with another operating system in case the installation fails
• Ensure you have a stable internet connection for recovery options
• Double-check that you're installing on the correct device
By continuing with the installation, you acknowledge that you understand these risks and have taken appropriate precautions.
Before proceeding:
• Backup ALL important data to external storage or cloud
• Prepare a USB drive with another operating system in case the installation fails
• Ensure you have a stable internet connection for recovery options
• Double-check that you're installing on the correct device
By continuing with the installation, you acknowledge that you understand these risks and have taken appropriate precautions.
The new Electron-based installer is currently in beta and may be unstable. Please report any issues you encounter.
New Electron InstallerBeta
pearOS NiceC0re features a modern installer built with Electron and Node.js
Step 1
Download the pearOS NiceC0re ISO
Step 2
Create a bootable USB drive
Step 3
Boot and run the installer
Modern Interface
Clean, intuitive interface built with web technologies
Guided Setup
Step-by-step guidance through the installation process
Real-time Progress
Live updates on installation progress and status
Pre-Installation Checklist
Make sure your system is ready for pearOS installation
Hardware Requirements
- 64-bit processor
- 2 GB RAM minimum (4 GB recommended)
- 20 GB free disk space
- Graphics card with OpenGL 2.1
Before You Start
- Backup important data
- Ensure stable internet connection
- Have a USB drive (8GB+) ready
- Check BIOS/UEFI boot settings
Common Issues
Solutions to frequently encountered installation problems
Boot Issues
If your system won't boot from USB, try these solutions:
- • Disable Secure Boot in BIOS/UEFI settings
- • Change boot mode from UEFI to Legacy (or vice versa)
- • Try a different USB port (preferably USB 2.0)
- • Recreate the bootable USB with a different tool
Installer Crashes
If the new Electron installer is unstable:
- • Try the manual installation method instead
- • Report the issue on our support page
- • Check system logs for error details
- • Ensure you have sufficient RAM available
Graphics Issues
For systems with graphics problems:
- • Boot with "nomodeset" kernel parameter
- • Install proprietary graphics drivers after installation
- • Use integrated graphics during installation
- • Check hardware compatibility list