To uninstall KMSPico after activation, follow these steps: 1) Go to ‘Control Panel’ and select ‘Programs and Features.’ 2) Find KMSPico in the list of installed programs. 3) Right-click on KMSPico and select ‘Uninstall.’ 4) Follow the on-screen instructions to complete the uninstallation. It’s also recommended to run a system scan with an antivirus program afterward to ensure your system is clean.