To replace a bathroom shower, start by removing the old shower, including any doors or walls. Prepare the area by repairing or replacing damaged drywall or tile. Install the new shower base and walls, ensuring proper waterproofing. Connect the plumbing and install new fixtures. Finish with sealing and caulking around the edges to prevent leaks. Ensure the shower is tested for proper function before use.

Remove old shower, prepare area, install new base and walls, connect plumbing, install fixtures, seal and test.