is there a way to make the user interface of adobe acrobat classic 2024 look like previous versions?

The new layout looks cleaner, but it's harder to use:

• More clicks for the same tasks. Tools that used to sit in a toolbar one click away are now grouped under menus like Edit, Convert, and Sign. That means extra clicks to reach the tool you need, and Adobe's own forums are full of complaints about it. [community.adobe.com], [pubcom.com]
• Tools are harder to find. Users report that common functions were hidden, moved, or removed. Some couldn't find basics like setting zoom to a specific level or jumping to the first or last page. A PDF trainer at PubCom wrote that some tools are buried deep in panels and that the new version is missing several important functions. [community.adobe.com] [pubcom.com]
• Less flexible workspace. In the classic layout, panels can be resized and collapsed. In the new one, the panels switched sides and can't be resized, so they take up a lot of screen space. [community.adobe.com], [pubcom.com]
• It throws off experienced users. Longtime users say it broke the habits that made them fast and that the learning curve is steep. People have had trouble even with simple things like printing. [community.adobe.com]
• Lots of people feel this way. The post explaining how to switch back to the classic layout has over 160,000 views and 100+ replies. Feedback posts on Adobe's site have titles like"New interface is terrible." [community.adobe.com] [acrobat.us...rvoice.com]

To be fair, Adobe says the redesign was meant to reduce clutter and group tools so they're easier to find. Simpler on the screen doesn't mean simpler to use, though. When the tools you need every day are hidden behind menus, the job takes longer. [acrobat.us...rvoice.com], [acrobat.us...rvoice.com]

If you're on the new layout and want to switch back, click the hamburger menu (☰) in the top-left and select Disable New Acrobat. Then restart Acrobat. On a Mac, it's under View > Disable New Acrobat. Adobe may remove this option in a future update, so it's worth switching while it's still there. [community.adobe.com], [wps.com] [wps.com]

In the non-classic version, the function to switch is View>Disable new Acrobat and if you want to switch back View>Enable new Acrobat. 

If this does not work, we need to know which version of Acrobat you were running before getting upgraded. If it’s something really old (e.g. Acrobat 9), then there is unfortunately no going back to the old UI. 

I am not in front of my computer right now but look at the View menu. There should be an option to disable the new interface. (If it’s not under the view menu, look at the others )