WordPress Site Fix & Store Integration

I need help fixing some mistakes on my WordPress website, adding a digital products store, and learning how to upload information.

Requirements:
- Correct spelling and grammar errors throughout the site
- Integrate a store for digital products
- Provide a brief tutorial on how to upload new information

Ideal Skills and Experience:
- Proficient in WordPress
- Experience with adding stores for digital products
- Strong attention to detail for error correction
- Good communication skills for tutorial sessions