This article explains how to connect a wireless mouse to a computer. Instructions apply to Windows 10, macOS Catalina (10.15) through macOS Sierra (10.12), and Ubuntu Linux (version 18.04).
How to Connect a Wireless Mouse to a Laptop
You can connect a wireless mouse in Windows 10 via the Bluetooth menu.
Open the Settings app (press Win+I as a shortcut) and select Devices.
In the left sidebar, select Bluetooth & other devices, and then select the plus sign (+) next to Add Bluetooth or other device.
