Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to maintain the performance of a pc [title] Install an anti-virus security software and set up an automated maintenance schedule. [step] Computers with windows operating system often comes with pre-installed anti-virus software trial at the time of purchase. In situation where anti-virus has not been included, you may obtain antivirus software on the internet at little or no cost to the consumer.

Ending1: This service will maintain your computer while you're using it. [substeps] Read the technical terms offered by the antivirus company and the institution where it stores the anti-virus software. Ending2: This will change your system's long term performance schedule over time to prevent malware removal or large corruption. [title] Inspect devices for the color, image, and sound change you desire to monitor. Ending3: [substeps] Pre-install a hardware-checking utility that's run by the manufacturer in case your old pc isn't running. Antivirus software will typically cover the same pros and cons for all hardware. Ending4: [substeps] Perform an internet search for " anti-virus protection " to retrieve a list of anti-virus programs. Navigate to the preferred manufacturer's website, and follow the instructions for download and installation provided by the developer.

Answer format: ending1/ending2/ending3/ending4