The KDE version is obtained by running kinfocenter → “Copy to Clipboard”

Operating System: Debian GNU/Linux 11
KDE Plasma Version: 5.20.5
KDE Frameworks Version: 5.78.0
Qt Version: 5.15.2
Kernel Version: 5.10.0-17-amd64
OS Type: 64-bit
Processors: 2 × Intel® Xeon® CPU W3503 @ 2.40GHz
Memory: 3.8 GiB of RAM
Graphics Processor: NV98

• K Menu → System Settings → Workspace → Shortcuts → System Services → KWin → search for “Quick Tile Window to the Left” → Assign it to Meta+Left
• K Menu → System Settings → Workspace → Shortcuts → System Services → KWin → search for “Quick Tile Window to the Right” → Assign it to Meta+Right
• Apply

• K Menu → System Settings → Workspace → Window Management → Window Behavior → Titlebar Actions → Double-click → Vertically maximize

• Right click on taskbar → Configure Task Manager → Behavior → Group → In the dropdown, choose “Do not group” → Apply → OK

• Open Terminal - Ctrl+Alt+T