Add marquee zoom to acrobat toolbar

Please open any PDF file in Acrobat Pro DC, and navigate to View>Show/Hide>Toolbar items>Show Select&Zoom tools>Marquee Zoom. Once you will select it, you can see Marquee Zoom icon in the toolbar thus becoming easier for you to access from there.

1. How do I add tools to Adobe Acrobat toolbar?
2. What is the fastest way to add the marquee zoom tool to common tools?

How do I add tools to Adobe Acrobat toolbar?

Right-click an empty space in the toolbar and choose Customize Quick Tools. In the Customize Quick Tools dialog box, do any of the following: To add a tool, select it in the left pane and click the Up Arrow icon. To remove a tool, select its icon and click the Delete icon.

What is the fastest way to add the marquee zoom tool to common tools?

What is the fastest way to add the Marquee Zoom tool to Common Tools? Right-click in the toolbar and select Show Page Navigation Tools. Right-click in the toolbar and select Show Page Display Tools. Right-click in the toolbar and select Show Select & Zoom.