Weaning should be start after 6 months only, not before that.
Exclusive breastfeed till 6 months.
Continue breastfeed till 1 year and start weaning after 6 months
6 months to 1 year is age in which child learns to eat and taste develops.
Consistency is important, start with liquids then increase consistency gradually to semi solid to solid at 10-12 months.
Next Steps
Consult pediatrician online or in person for detail. As other factor also need to evaluate.