The answer to 'how to install panel upgrade' is to hire a licensed, qualified electrician to perform the upgrade. Upgrading your home's electrical panel is a complex and potentially dangerous task that should not be attempted by a homeowner without the proper training and experience. An electrical panel upgrade involves replacing the main circuit breaker, adding new circuit breakers, and rewiring the electrical system to accommodate increased power demands.
Attempting to do this work yourself can result in electrical shocks, fires, or other serious safety hazards. A professional electrician will have the necessary skills, tools, and permits to ensure the job is done safely and up to local electrical code standards. They will also be able to assess your home's power needs and recommend the appropriate panel size and configuration.