The answer to 'how to fix shower' is to first identify the specific issue you're experiencing, such as a leaky faucet, clogged drain, or water pressure problems. Once you've pinpointed the problem, you can take steps to address it, like replacing washers, cleaning the drain, or adjusting the water pressure. However, for more complex shower repairs, it's best to call in a professional plumber to ensure the job is done safely and correctly.
When fixing a shower yourself, be sure to turn off the water supply to the shower and wear protective gear like gloves and goggles. Follow any manufacturer instructions carefully, and don't hesitate to call in an expert if you're unsure about any part of the repair process.