--- title: Upgrade the Agent Client Collector manually on a Windows system description: Perform a manual upgrade of your existing Agent Client Collector version on a system running a Windows OS. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/it-operations-management/agent-client-collector/acc-install-upgrade-windows.html release: australia product: Agent Client Collector classification: agent-client-collector topic_type: task last_updated: "2026-03-12" reading_time_minutes: 1 breadcrumb: [Install ACC on a Windows machine manually, ACC installation on a Windows machine, ACC deployment - servers, Configuring Agent Client Collector, Agent Client Collector, IT Operations Management] --- # Upgrade the Agent Client Collector manually on a Windows system Perform a manual upgrade of your existing Agent Client Collector version on a system running a Windows OS. ## Before you begin Enable golden image mode for cloning additional agents by setting the msi property **GOLDEN\_IMAGE=true**. Role required: agent\_client\_collector\_admin ## Procedure 1. Upgrade to the new agent version, as described in [Upgrade an agent in an instance](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/it-operations-management/agent-client-collector/upgrade-agent-from-instance.md). You can use either the manual or single-line procedure. When restoring backup files, the system replaces the configuration file values. **Parent Topic:**[Install the Agent Client Collector on a Windows machine manually](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/it-operations-management/agent-client-collector/acc-install-windows.md)