The answer to 'how to install roof' is that installing a new roof or replacing an existing one is a complex process that is best done by a professional roofing contractor. Roofing work requires specialized knowledge, tools, and safety equipment to be done properly and safely. However, there are some basic steps that homeowners can take to maintain and care for their roof.
Proper roof installation involves preparing the roof surface, installing underlayment, laying shingles or other roofing materials, and sealing all joints and edges. Roofing work also requires working at heights, which can be dangerous for untrained individuals. For these reasons, it's generally recommended to hire a licensed and experienced roofing contractor to handle the installation or replacement of a roof.