Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to open dll files [title] Understand what a dll file is. [step] A dll (dynamic link library) is a windows file that is used by program to call upon existing functions. Essentially, they allow windows and other programs to gain functionality without having to have that functionality built-in.

Ending1: The system is setup for a new utility such as vr (where it is used by utility systems) or like vr. For example, css (available image editor). Ending2: [substeps] Dll files are an essential part of windows programming, and lead to sleeker, more efficient programs. [title] Know that the average user doesn't need to open or interact with dll files. Ending3: To use a dll file, click on " start " at the bottom right corner and then click " control panel. " here you will find a list of programs and features designed to use dll files. Ending4: [substeps] A dll file also allows system systems to use rgb data. [title] Choose windows to open a dll file.

Answer format: ending1/ending2/ending3/ending4