Configure the option "User interface" (File | Options)

Here you can configure if SoftMaker Office uses ribbons or toolbars.

UITheme

0. Colorful ribbon
   

   Registry Hive	HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER
   Registry Path	SOFTWARE\Policies\SoftMaker\SoftMaker Office 2018
   Value Name	UITheme
   Value Type	REG_DWORD
   Value	0

1. Gray ribbon
   

   Registry Hive	HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER
   Registry Path	SOFTWARE\Policies\SoftMaker\SoftMaker Office 2018
   Value Name	UITheme
   Value Type	REG_DWORD
   Value	1

2. Dark ribbon
   

   Registry Hive	HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER
   Registry Path	SOFTWARE\Policies\SoftMaker\SoftMaker Office 2018
   Value Name	UITheme
   Value Type	REG_DWORD
   Value	2

3. Menus and toolbars
   

   Registry Hive	HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER
   Registry Path	SOFTWARE\Policies\SoftMaker\SoftMaker Office 2018
   Value Name	UITheme
   Value Type	REG_DWORD
   Value	3

4. Dark menus and toolbars
   

   Registry Hive	HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER
   Registry Path	SOFTWARE\Policies\SoftMaker\SoftMaker Office 2018
   Value Name	UITheme
   Value Type	REG_DWORD
   Value	4