How to elimate sidebar of the many tools such as "export PDF?

[%^&]

How can I get rid of the sidebar which has many tools such as "export PDF ..edit PDF..comment.. combine files..organize pages...redact..fill and sign"  ?

[JR Boulay]

I cannot give it to you in English but the location of this checkbox is the same in any language:

[try67]

https://helpx.adobe.com/acrobat/kb/disable-right-hand-pane-in-acrobat-reader.html