This is my method how to create Twenty Seventeen child theme. This method should work with any WordPress themes unless your current theme has a totally different coding. Please contact your theme developer if your child theme does not work.
**** Please do not follow this tutorial if you use a page builder plugin.
If you are using WordPress 4.7 or newer;
Twenty Seventeeen Theme users = you have "Additional CSS" feature, and "Colors" options to change some colors of your website
For other theme users = you have "Additional CSS" feature, and depends on your theme options.
==** Conclusion, you don't need to create child theme if you can achieve what you want by using "Additional CSS" WP 4.7 feature or your theme's option.
However, when we create manually, the parent theme's customizer setting, like widgets, menu settings, etc will be deactivated when you activate your new manually created Child theme.
This method helps to keep your parent theme's customizer setting.
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Content
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0:28 My customization example of the demo website's theme
0:58 Using "Additional CSS" and "Colors" - no need to create child theme
5:29 Why you will need child theme
Creating Twenty Seventeen (or Any other themes) Child Theme steps:
5:38 Login to your dashboard
5:49 Check what your "Active" theme is
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8:20 Install plugin: "Child Theme Configurator"
9:49 Start using the plugin
10:23 Analyze the Parent Theme. If you got any errors after analyzing, please contact your theme developer
13:21 Checking the now active theme
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Optional steps
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15:06 Checking our child theme
18:47 Replacing the screenshot.png of the child theme with ours.
*********Steps to download (with Chrome browser):
2. If it asks you to register, you can click "No thanks, continue to view" link wording or similar.
3. On the top menu, right corner, click the "download" button.
19:20 Good bye for now. Please share and like the video if it helped you. Thank you.