You can walk a Wiccan spiritual path without practicing witchcraft. Wicca is a religion centered upon the natural world that involves worship of God and Goddess. It also requires that you live by certain tenets such as the Wiccan Rede (“An harm it none, do what ye will”).
Meanwhile, witchcraft is a set of learnable methods by which you can influence the flow of energy that surrounds you and permeates the universe. As with skills such as growing herbs or meditating, witchcraft can add a deeper layer to your spiritual life, but you do not have to practice witchcraft to worship the God and Goddess in a Wiccan way. Many Wiccans are interested in witchcraft, some are good at it, and others have no interest whatsoever in picking it up.
Within the broad scope of Wicca, witchcraft is only a small part. If you live your life as a Wiccan without practicing witchcraft, you will still have plenty to keep you occupied. You can focus on ritual rather than spellwork. Daily rituals can include morning and evening prayers to God and Goddess, blessing food and drink, and making everyday choices to live in harmony with the earth.
You can observe ceremonies known as esbats to mark the phases of the moon, and sabbats for the passing of the seasons. Milestones in your life such as marriage, birthdays, birth of a child, passage into adulthood, self-dedication to your spiritual path and more can be celebrated with Wiccan ritual.
Much of Wiccan ritual is similar to witchcraft with a focus on altar, tools, candles, herbs, and other accessories. The difference is that you would not be raising, focusing, and directing energy, as in spellwork. Rather, your ceremony communicates devotion to God and Goddess. If you were to compare an act of witchcraft to a religious ritual, the two would feel very different. Casting a spell involves a rising tension and release whereas a ceremony is more a gentle outpouring of gratitude.
If you did want to practice witchcraft as part of your Wiccan spiritual path, it can deepen your understanding of the natural world that surrounds you. This is similar to how growing your own herbs can put you in touch with the agricultural cycles of life. If you learn to cast spells, it will teach you about the ebb and flow of the energy that fills the universe – and your own place within the tide pool of that vast ocean.