The Guide shows you Step-by-Step How to Install and Quick Start with the Latest VirtualBox 7.4 on Linux Slackware 14 KDE4 64-bit Desktop.
Finally, the post’s Content is Expressly Reduced to Give Focus to the Essentials Instructions and Commands.

Download VirtualBox All Distributions Amd64:
VirtualBox Linux amd64.runOpen Terminal Window
(Press “Enter” to Execute Commands)In case first see: Terminal QuickStart Guide.
Installing Latest VirtualBox
cd /VirtualBox*.run
Give Permissions:
chmod +x VirtualBox*.run;
Installing:
./VirtualBox*.run;
Installing VirtualBox Guest Additions
Linux VirtualBox How to Install Guest Additions:
Linux Installing Guest Additions
