Use the strikethrough formatting option in your app or editor
Select the text and click the strikethrough button
Use keyboard shortcuts for strikethrough if supported
In Markdown, wrap the text with double tildes: `~~text~~`
In HTML, use the `` or `` tag
In Microsoft Word, use the strikethrough command in the font settings
In Google Docs, use the format menu or keyboard shortcut
In email or chat apps, use the app’s formatting toolbar or markup syntax