Right-click the OneDrive cloud icon in the taskbar
Select Settings
Go to the Account tab
Click Unlink this PC
Confirm the unlink action
Open Task Manager
Go to the Startup tab
Select Microsoft OneDrive
Click Disable
Open Settings
Go to Apps
Select Installed apps or Apps & features
Find Microsoft OneDrive
Click Uninstall
Confirm the uninstall action
Open Group Policy Editor
Go to Computer Configuration
Go to Administrative Templates
Go to Windows Components
Open OneDrive
Enable Prevent the usage of OneDrive for file storage
Restart the computer