
Upgrade to Multiplicity 4 Pro
Connect and control multiple PCs with one keyboard and mouse. Share files, audio, and clipboard content, switch between devices securely, and even use PCs as extra monitors. Multiplicity 4 streamlines your multi-device workflow, perfect for work, gaming, and creative projects.
Offers
What are keyshops?Base game (1)
This is the base game required to play this DLC. Other expansions may also be required.
DLCs (1)

About Upgrade to Multiplicity 4 Pro
This DLC will upgrade Multiplicity 4 to Multiplicity 4 Pro. The feature breakdown for each:
Multiplicity 4 is a software KVM (Keyboard, Video, Mouse) solution by Stardock that lets users control multiple computers with a single keyboard and mouse. It’s designed to streamline workflows by enabling seamless interactions across multiple Windows PCs, making it ideal for gamers, content creators, developers, and anyone who needs to manage several devices from one central setup. Multiplicity 4 is a secure, flexible solution that offers fast file transfers, audio sharing, and the ability to use additional devices as extended monitors.
Version \ Features
Multiplicity 4 Features
KM (Keyboard and Mouse): Control up to 5 PCs with one keyboard and mouse.
Drag and Drop: Drag and drop files between 'Seamless' connected PCs.
Copy & Paste: Copy and paste formatted text and images between PCs.
Audio Sharing: Listen to audio from multiple PCs through one PC.
Seamless Switching: Switch between PCs using mouse, hot key, or touch.
Encryption: AES-256 encryption for secure file and data transfers between PCs.
Backup Settings: Easily restore a configuration or reset all settings.
*Multiplicity 4 Pro Additional Features
Includes all features of Multiplicity 4, plus:
KM (Keyboard and Mouse): Control up to 10 PCs with one keyboard and mouse.
KVM (Keyboard, Video, Mouse): Control up to 5 PCs with one keyboard, mouse, and monitor.
Lock & Unlock: Lock and unlock all Multiplicity PCs from one keyboard.
Seamless Display: Use a secondary device, like a laptop, as a native display.
Seamless Advanced Display Grid: Resolution-aware monitor placement.
Multi-Monitor Streaming: Stream multiple monitors to a single display.
Hot Keys: Assign hotkeys or touch commands to a specified field in an application.
Logging: Log remote connections in the Windows Event Viewer.
IPv6 Support: Support for modern networking protocols.
Multi-threaded File Transfer: Faster speed for moving large files.
Wake-on-LAN: Wake up remote PCs and connect.
Game details
Game details
DRM: Stardock SAS, 1 concurrent Primary PC machine activation limit
Age ratings
Languages
Features
Upgrade to Multiplicity 4 Pro price history
Lowest tracked price: $16.99 (Jul 7, 2026) · current best: $19.99.
Upgrade to Multiplicity 4 Pro — frequently asked questions
Where can I buy Upgrade to Multiplicity 4 Pro at the cheapest price?
Right now the cheapest offer for Upgrade to Multiplicity 4 Pro is $19.99 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
What is the lowest price Upgrade to Multiplicity 4 Pro has ever been?
The lowest price KingsPrice has tracked for Upgrade to Multiplicity 4 Pro is $16.99 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
How can I get Upgrade to Multiplicity 4 Pro at a discount?
Create a free price alert on this page and KingsPrice will email you when Upgrade to Multiplicity 4 Pro drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
System requirements
Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10 / 11
- Processor: Dual-core or better processor
- Memory: 256 MB RAM
- Graphics:
- Storage: 150 MB available space
Recommended
- Requires a 64-bit processor and operating system


