Download Supremo for Windows - Fast, Safe & Free
Get the latest 2025 release of Supremo with improved performance, compatibility, and enhanced features for an optimized experience.
5.03 MBFile Size
November 30, 2025Updated
100% SafeVirus Free
Rainlendar Lite Minimum System Requirements
Operating System
- Windows 7 / 8 / 10 / 11 (32-bit or 64-bit)
- macOS 10.12 (Sierra) and above
- Linux: Mainstream distributions supporting X11/GTK (Ubuntu / Debian / Fedora, etc.)
CPU
- At least 1 GHz
- Dual-core or higher for smoother performance (not required)
Memory (RAM)
- Minimum 512 MB
- Recommended 1 GB or more, especially when using multiple skins and plugins
Graphics Card
- Any integrated graphics card is sufficient (no 3D requirements)
Storage Space
- Approximately 20–40 MB for installation
- Minimal daily data usage, negligible
Display Resolution
- Minimum 1024×768
- DPI adjustment is recommended for high-resolution screens
Network Requirements
- It can function normally without a network connection.Only online synchronization (such as Google Calendar/iCalendar) requires an internet connection.
Windows System Installation Guide
Step 1: Download the Installation Package
Click the “Download Now” button above to begin downloading the official Supremo Windows installation package (.exe).
Step 2: Run the Installer
Double-click the downloaded installation file “Supremo.exe” and follow the prompts to complete the installation. We recommend installing with administrator privileges to ensure a smooth setup.
Step 3: First Launch
After installation, locate the Supremo icon on your desktop or in the Start Menu and click it to launch the application.
Why Download from This Page?
This installer is official, free from ads, malware, or bundled software. Fast download, reliable source, and fully secure.
Helpful Resources
Developer Official Website: Nanosystems Srl
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