The user Alex_Pletnev is seeking help with customizing their Discourse forum’s desktop category page style and hiding the left sidebar. They initially misunderstood the purpose of the desktop category page style setting, which only affects the /categories page, not the homepage. Moin clarifies that to make /categories the homepage, the top menu order must be adjusted. For hiding the left sidebar, Moin suggests changing the navigation menu setting to header dropdown, but Alex_Pletnev cannot find this option. JammyDodger suggests checking for an older version of Discourse and looking for a sidebar setting, but Alex_Pletnev confirms it’s not available. Finally, JammyDodger recommends a theme component from Don to achieve a closed sidebar by default.
Hi everyone. Just started to setup my blog and already got stuck (( Or maybe i’m not getting something. But googled everything i could so far.
When i’m changingdesktop category page style, i’m expecting that my root blog address ->home page or click on icon will open my blog in a new style. I’m right?:
Then, it’s not working. Or i missing something some other setting somewhere.
Please, help
Wow! no chance i’d be able to find it myself 
Basicly, one setting is overlaping another one.
One more quick one, any idea how to hide left side bar completly? You’d save me an hour or so ))
You can set the navigation menu site setting to header dropdown instead of sidebar. Is that what you want?
When you change the navigation menu site setting to header dropdown the sidebar disappears. Instead a menu icon will appear at the top right next to the search icon. So users can still find all the links, which were shown in the sidebar.
Hey Hey! You were so helpful recently. Thanks a lot. If you have a second, could you check my last question in this thread about Navigation menu? All of other things i already set up, only this one left (to hide left sidebar).
I think you may be on an older version of Discourse if navigation menu isn’t showing up? Check for sidebar instead, and see if the older name is in there.
Ah, okay. I thought you were looking for the navigation menu setting.
The sidebar can’t be closed by default using a setting, though there is this theme component which should do the job:
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