Installing and using Stardock Multiplicity KVM


A utility app that allows you to share a pair of mouse and keyboard with multiple PCs and drag and drop between PCs.

Multiplicity Is a US software vendor Stardock A utility software developed by the company that enables multiple PCs to be operated with a pair of mouse and keyboard, and supports clipboard sharing, file drag-and-drop between PCs, and monitor sharing.

Synergy 1 -anime

In Multiplicity KVM Up to 9 units You can seamlessly control your PC and similar apps Synergy 1 Is more stable than.

Seamless mode / KVM mode
Seamless mode
Move the mouse cursor between monitors to activate it by moving the mouse cursor to the operating PC.
KVM mode
Use hotkeys to switch between PCs displayed on the monitor.
In seamless mode, a pair of mouse and keyboard are shared, and all PCs used require a monitor, but in KVM (CPU switching) mode, the monitor, mouse, and keyboard are shared, so if you configure the settings, the monitor's You can operate a PC that does not exist.

System requirements

Version 3 as of

OS: Windows 7/8.1/10/11

All PCs used require LAN connection (TCP / IP connection) regardless of whether they are wired or wireless.

Where to get the software

Multiplicity Pro Free Trial download page

Multiplicity KVM activation is possible with the trial version of Multiplicity Pro.

Install Multiplicity

The Multiplicity installer does not include adware or spyware.

Multiplicity allows you to use a PC with a mouse / keyboard connected to it. Primary , Control the PC using the mouse and keyboard of the primary PC Secondary Called, Primary / Secondary Install the same app for both.
Primary It is recommended to install from a PC.


When you visit the Multiplicity Pro Free Trial download page, the installer download will start automatically after 5 seconds.

If the download does not start Click this link From the context menu of Save the link as choose.


When the installer is started and the User Account Control dialog is displayed, click "Yes" to allow it.


Check the license agreement and if there is no problem I agree to the terms of this license agreement Check the box and click "Next".


Confirm the installation destination and click "Next" to start the installation.

The installation destination cannot be changed.


After the installation is complete, depending on the PC you set up Be a primary computer / Be a secondary computer choose.

Primary PC

PrimaryThe product key input screen will be displayed for the PC set to, so enter your e-mail address to start the 30-day trial.


Start a 30-day trial Select and enter a receivable email address.


In the email you entered Complete Your Multiplicity 3 KVM Pro Activation I received an email with the title Activate 30-day Trial Click, and when your email address is verified, click "Continue".

Secondary PC

Secondary PC set to computer namepasscode Is displayed.


You will need the Secondary passcode when configuring it on the Primary PC.

Multiplicity settings

Install Multiplicity Primary To the PC set toSecondary Of the PC set to passcode Make a connection using.


Primary When set to Seamless modeKVM mode The selection screen will appear, so select the mode you want to use.

Seamless mode

Operate multiple PCs with a pair of mouse / keyboard Seamless mode It is,Secondary Set the placement of.


A blank addition screen is displayed, so it is on the network Secondary Wait until is detected.


was detected Secondary Of Computer name Click andEnter the computer name here: When the computer name is entered in, add it with "Add".


passcode Enter the passcode displayed on the added Secondary PC as the input screen for.

Always use the IP address To a PC on the network Static IP Check if you have assigned.


Since Primary is displayed in the center, drag Secondary to place it.

It is easy to use if the monitor layout is reproduced as it is.


If you want to add a Secondary PC, in the left sidebar Seamless After selecting  add computer Click to select a Secondary PC and enter the passcode.


If you close the Secondary screen, double-click the Multiplicity icon in the task tray to open the home screen and open the home screen.Click to show passcode Click to display the passcode.


After completing the settings, click the lock icon on the upper right Unlock から Lids You can lock the settings by switching to.

If Multiplicity does not respond when the PC starts (the mouse cursor does not move in seamless mode), check if the Multiplicity icon is displayed in the task tray, and if there is no icon, restart the PC after overwriting Multiplicity.

KVM mode

KVM Is a CPU switch that allows a set of mouse, keyboard, and monitor to be shared by multiple PCs.


If a Secondary PC is detected Computer name Click and click "Add" to add.

Multiplicity KVM Only one can be added to KVM mode with Multiplicity KVM Pro You can add up to 9 units.


If you have entered the secondary PC passcode and assigned a static IP Always use the IP address To enable.


Scale Secondary monitor resolution to Primary monitor resolution in KVM mode Use global scaling values Is the default setting, so if you need to change it KVM mode display scaling Specify the magnification from the list of.


A Secondary PC is added to the home screen.


If you want to add a Secondary PC, in the left sidebar KVM After selecting select  add computer Click to select a Secondary PC and enter the passcode.


The hotkey for activating KVM mode is Enter KVM mode by Pressing Set in the place of.

How to use Multiplicity

Since Multiplicity starts automatically when the PC starts and runs in the background, there is no need to operate Multiplicity in seamless mode.


In seamless mode Clipboard sharing , Drag and drop between PCs is possible, You can use it as if you are operating one PC while using multiple PCs.

KVM mode

KVM mode is Virtual CPU switch The Secondary PC registered in step XNUMX can be displayed and operated on the monitor of the primary PC.

Multiplicity KVM Wake on LAN Is not supported, so if you want to remotely control Secondary, Wake on LAN settings Launch app Is necessary.
Seamless mode and KVM mode can be used together, and the monitor of the primary PC running in seamless mode can display another PC in KVM mode.


In KVM mode, the connection screen is displayed with the hotkey assigned in the settings, so connect with "Connect".


Double-click to open Multiplicity in the Primary task tray and open it. KVM You can also connect by clicking "Connect" of Secondary from the menu of.


When connecting to Secondary in KVM mode, the control bar is displayed by mouse over at the top of the screen, and when Secondary is a multi-monitor environment, you can switch monitors, fit the display screen, exit KVM mode, and so on.

In KVM mode, the clipboard can be shared between Primary and Secondary, but drag-and-drop copying is not possible.

How to purchase Multiplicit KVM

The license for Multiplicit KVM has no expiration date, and minor updates are a free purchase-out type.

Multiplicity KVM purchase page


Multiplicity KVM purchase page から Multiple KVM Or Multiplicit KVM Pro choose.

Multiplicity KVM Pro KVM mode In addition to being able to register up to 9 units, it also implements functions such as Wake on Lan.


Payment methods can be credit card, PayPal, bank transfer (WIRE TRANSFER), and payment is made by FastSpring, a SaaS company headquartered in the United States.

Bank transfer is to Sumitomo Mitsui Banking Corporation's Global Collect Japan. 


When the payment is completed, the license key and the Multiplicity download link will be displayed, so copy the serial number.

The license key and download link are also included in the email titled "Click here for the receipt of your order".


Open Multiplicit on the PC set as Primary About Of Change license .. Click


Product key Paste the license key you copied into and click "Start".


"Exit" makes Multiplicity KVM available.

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