打开你想要编辑的文档。 点击“开始”选项卡。 找到工具栏里的“删除线”按钮。 在工具栏里找到“字体颜色”按钮。 点击文本，拖拽鼠标光标，选中文本来高亮标记它。 点击“删除线”按钮，在选中的文本上添加一条直线。 确保删除线的末端和后面的文字之间有一个空格。 把鼠标光标放在删除线文本后的空格后面。 点击“文本颜色”按钮。 在删除线文本的后面，添加用来替换的文本。 确保用编辑颜色添加文本。 重复第5步到第11步，编辑所有需要更改的文字。 按下Control + S来保存文档。

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
Manually redlining a document is preferable if you're editing a document in an outdated version of Word or if you want more control over which changes are displayed. Manual redlining is compatible with all versions of Word. This tab contains tools such as text bolding, italicizing, and underlining. The Home tab is in the blue toolbar at the top of the screen. It's located right next to the "Underline" button. You'll use strikethrough to cross out undesired text. It's marked as a capital "A" with