Fonts - Force font DPI and select a comfortable DPI
Icons - Oxygen (more colorful)
Application Style
Widget Style
Fine Tuning tab | Main toolbar text -> No Text
Window Decorations
Boardersize -> Tiny
Move windows control buttons to left hand side of title bar
Decoration settings (wrench button next to selected decoration), Button Size -> Small
Desktop Behavior
Desktop Effects
Turn off Blur
Turn on and customize Wobbly Windows
Screen Edges
Turn off Maximize windows by dragging them to the top of screen (works better in Plasma 5+, maybe not needed now)
Tile windows by dragging them to side of screen may stutter in multi-monitor mode. Disable if desired.
Screen locking
Un-check Lock screen automatically after: (unless screen locking is desired)
Un-check Lock screen on resume (unless screen locking is desired)
Virtual Desktops
Set Number of desktops to 4 (or whatever)
Window Management
Window Behavior
Windows Actions tab
change the Modify Key: to Meta (many drawing and photo apps use the alt+mouse clicks to special functions. This includes Remma RDP client to mouse click apps icons when Alt-tabbing)
Task Switcher
Change the second drop down from Breeze to Large Icons
Window Rules
Use this options to size and positions specific applications every time they are launched.
Shortcuts
Global Keyboard Shorcuts
Key Component:
krunner
Run Command -> Meta+Space
KWin
Suspend Compositing -> Meta-C
Window Operations Menu -> Alt+Space
Show Desktop -> Meta+D
Pack Window Down -> Meta+Down
Pack Window to the Left -> Meta+Left
Pack Window to the Right -> Meta+Right
Pack Window Up -> Meta+Up
Quick Tile Window to the Bottom -> Meta-Down
Quick Tile Window to the Bottom Left -> Meta-Alt-End
Quick Tile Window to the Bottom Right -> Meta-Alt-PageDown
Quick Tile Window to the Left -> Meta-Alt-Left
Quick Tile Window to the Right -> Meta-Alt-Right
Quick Tile Window to the Top -> Meta-Alt-Up
Quick Tile Window to the Top Left -> Meta-Alt-Home
Quick Tile Window to the Top Right -> Meta-Alt-Pageup
Custom Shortcuts
Set these via kmenuedit (right click on the Application Menu button, see kmenuedit below Panel Settings below)
Connectivity
Window Shares
Enter username and password for default Windows navigation credentials