How can I change the color of the sorted column. Right now the sorted column turns white?

Please explain: WARNING Once Q-Dir always Q-Dir?

Does this mean you cannot uninstall the file manage program from Windows, or? No :- You can uninstall the program Q-Dir everytime.  Its a joke: this

Problem, PDF preview does not work for me with Q-Dir 4.15 x64?

Oooo Yes, this is a "Adobe Reader" problem on windows 10 and 8.1 is everything fine And for old Windows OS is that a solution for Thumbnails: adobe_pdf_x64_fix 

Can i drag tabs to restructure them? Just like what google chrome does?

Yes, the folders tabs are in File Manager Quad-Explorer  from Version 4.0 in every explorer view of Q-Dir. Moving the folder tabs is possible from the Version

7zip and TortoiseSvn context menus missing in Explorer Views, plus icon overlays?

Please install the Quad-Explorer x64 on Windows 10 x64 or older x64 Version of Windows. Image-1 Use Q-Dir X64 on x64 Windows

A little helpers, I have still not found, something like "minimize to tray"?

This little helpers is in the Quad-Explorer, the minimize to tray Button Easy minimize to Tray the File Explorer about the To Tray Button

Show the folder size / number of files in a column, does that work?

Yes, you can easily display the folder size in a column, or in the status bar on all Windows OS. It is really easy to activate the folder size column in

In Firefox navigation between tabs are Ctrl-PageUp and Ctrl-PageDn!

In Firefox navigation between tabs, the standard navigation buttons for this function are Ctrl-PageUp and Ctrl-PageDn why not in Q-Dir