To install the GE GXRM10RBL Under Sink Reverse Osmosis Water Filtration System, follow these general steps: 1 - Preparation: Turn off the water supply. Gather the necessary tools, such as a drill, wrench, and tubing cutter. Ensure the installation area is clean and accessible. 2 - Install the Faucet: Drill a hole in the sink or countertop if one is not already available. Mount the faucet securely using the provided hardware. 3 - Connect the Water Supply: Attach the feed water adapter to the cold water line. Connect the tubing from the adapter to the system's inlet. 4 - Install the Drain Line: Drill a hole in the drainpipe and attach the drain saddle. Connect the tubing from the system to the drain saddle. 5 - Mount the System: Secure the filtration system under the sink using the provided brackets. Ensure the system is level and stable. 6 - Connect the Storage Tank: Attach the tubing from the system to the storage tank. Ensure the tank is placed upright. 7 - Flush and Test: Turn on the water supply and allow the system to flush for the recommended time. Check for leaks and ensure all connections are secure. For detailed instructions, you can refer to the owner's manual and installation guide - https://www.manualslib.com/manual/324445/Ge-Gxrm10rbl.html