You can update the theme follow as Shopify guidelines. This link has detailed steps for you to upgrade the theme easily.
This is the link: Updating themes
Beauvoir
⌘K
- Getting started
- Sections
- Announcement bar
- Feature text with image
- Footer
- Header
- Video with text overlay
- Content rows
- Feature image carousel
- Featured video with image
- Highlight content
- Image scatter
- Image with text
- List content
- List detail
- Spotlight story
- Text with images scroll
- Timeline
- Video
- Image with highlights
- Portfolio highlights
- Testimonials
- General settings
- How can I create my own custom product pages with sections?
- How can I create my own custom pages with sections?
- Fonts, colors
- How do I add product videos?
- How do I remove “powered by Shopify” from the footer?
- Image and video size recommendations
- Setting up navigation
- Settings overview
- Using the currency converter
- What is lazy loading?
- What version do I have?
- Why won’t my videos autoplay?
- Working with templates
- Advanced settings
- How do I show images only for a specific color?
- How can I customize my checkout and cart?
- How can I enable product filtering?
- How can I improve my Online Store speed score?
- How do I remove the shopping cart?
- How do I update my theme?
- How to set content in a tab differently in each product?
- How to set up Mega menu
- Home
- Beauvoir
- Advanced settings
- How do I update my theme?