Gather tile, thin-set mortar, grout, spacers, trowel, level, tile cutter, sponge, bucket, measuring tools, and safety gear
Clean, dry, and level the subfloor or wall surface
Repair cracks, holes, and uneven areas
Measure the area and plan the tile layout
Find the center point and snap chalk lines
Dry-fit tiles to check spacing and cuts
Mix thin-set mortar according to instructions
Spread mortar with the correct notched trowel
Set the first tile at the layout line
Press tiles into the mortar with a slight twist
Insert spacers between tiles
Check alignment and level frequently
Cut edge tiles as needed
Allow the mortar to cure fully
Remove spacers
Mix grout and apply it with a grout float
Pack grout into the joints
Wipe excess grout with a damp sponge
Buff haze off the tile after grout firms up
Seal grout if required
Reinstall trim, baseboards, or fixtures if removed