Step 1> Start composting now if you haven't!! You'll need it to fill up your pots / raised bed.
Step 2> Get recycled planks of wood, pallets, and compost then cut accordingly. Otherwise get pots
Step 3> Assemble your raised bed using a saw, drill and screws. Don't forget drilling the drainage holes
Step 4> Put woodchip or vermiculite/ perlite at 1/3 of the base of the pots / raised beds for drainage, then compost/ soil at the remaining top 2/3
Step 5> water thoroughly until soaked then let's get into it and sow a variety of seeds and cuttings according to the season! Never let your soil fully dry, keep watering..