Is your Odoo system running on an older, potentially unsupported version? While it might feel comfortable, staying on an outdated platform can expose your business to significant risks and prevent you from leveraging powerful new features. The good news is that a well-executed upgrade can revitalize your ERP, enhance security, and unlock new levels of efficiency. This comprehensive guide will walk you through essential Odoo Upgrade Strategies, offering a clear, step-by-step tutorial based on expert insights. This article draws heavily from the valuable discussions held at Odoo Experience 2025, particularly the talk "Help your customer move on from an unsupported Odoo version" by Jose Monontto of BrainTech.