My computer is relatively old, and the firewall and anti virus software only open one word, which is

Anti-virus software, of course. In layman's terms, antivirus software mainly protects against attacks in the form of files; Firewalls protect against attacks in the form of network packets.

Nowadays, it is relatively rare to hack into personal computers through hacking methods (network packet attack methods) because it takes too much time and cost. Most of the Trojans through system vulnerabilities or tricking you into running a certain program are within the scope of antivirus protection.

It's also important to keep your system patched up.

It's best to open it, and the two work together to make a good effect

Considering that your computer is older, it is too cardy.

It is recommended that you install a ghost

If something goes wrong, recover the C drive in 5 minutes.

5 minutes to settle (other disks are ideally virus-free).

It is recommended to open a firewall because the monitoring of antivirus software consumes more system resources.

Scan for viruses with antivirus software every few days to ensure both security and speed.

Of course, it is advisable to go all-in if resources allow.

Antivirus software now generally comes with a bit of a firewall function, so install antivirus software.

General antivirus software will do.

The firewall is free with Skynet, and it takes up quite a small amount of memory.

I think open a firewall firewall that takes up less resources and can also block viruses, but in order to better protect the computer, it is recommended to disinfect every 3 days It should be no problem Firewall with 360 security guard.

With Microdot, it's absolutely feasible and free. Occupies less resources. Domestic. Proactive defense.

If you have money, buy a new one.

This depends on your configuration.,Configure it well.360 Guardian + Kaspersky,Slightly worse configuration can choose Little Red Umbrella +360 Guard,I've used it.,Basically won't be poisoned.,Those antivirus software in China is honestly not very good.,If you want to use a special firewall, you can choose the comodo firewall,It's pretty good.。

Kingsoft Guardian Kingsoft Net Shield.

Real-time protection to protect your security at any time (including all kinds of firewalls, hackers, USB flash drives, etc.) to ensure your security.

Management assistance: It has management software, virus detection and Trojan horses, system optimization, account protection, garbage cleaning, Q disk, boot acceleration, hardware detection, software moving, etc., which is very powerful to use.

Hello! There are many antivirus software on the market, and the functions of each antivirus software are almost the same, and we consumers are most concerned about the following points:

Whether the anti-virus ability is strong enough.

Whether there is a charge. Whether the virus protection is good.

The system resource usage is high.

360 Antivirus and 360 Security Guard work well together! Detection and killing, Trojan defense, system repair, virus removal ability far exceeds similar software, and occupies a small amount of memory, system optimization, boot speed, intelligent patch installation, does not affect network speed! Anti-virus protection is correct!

It's also quick and easy to deal with, and I've been using it for a long time

Tencent PC Manager "Star Edition" uses five core technologies: Account Treasure, Manager Lock, Engine Upgrade, WeChat Chat History Encryption and Backup, and Secure Cloud Library to build a full-scene security protection system for online behaviors such as social networking, online shopping, and games.

Through virus scanning, garbage cleaning, fraud interception, malicious ** scanning and other means to clear the Internet haze, restore the clean Internet environment;

Based on Tencent's accumulation of security big data, and the collection of Tencent PC Manager's leading capabilities in self-killing of the first poison engine, URL protection, account protection, deep cleaning and acceleration, etc., it truly meets the user's demand of "account is not stolen by shouting, Internet access is not cheated, and the more you use it, the faster you use".

At the same time, in terms of visual and user experience, it strengthens the characteristics of cool and extremely fast, and creates the fun of security software through new designs such as large and small interface changes and small rocket rainbow borders.

It is recommended that you install Tencent PC Manager antivirus software, which is quite good!! Use the latest version of the shirt, in the latest version, new functions have been added, so that the software runs more smoothly and quickly, hurry up and experience it

1. [Improve] Optimize the main process of QQ PC Manager, and make the security check-up faster.

1. [New] More user-friendly virus blocking prompts, pop-ups are more accurate and do not disturb users.

1. [New] Access special ** support such as imitation trace removal, fully protect your online privacy.

1. Optimize the physical examination on the home page to be more comprehensive, and add the detection and optimization of boot items.

Tencent PC Manager integrates a series of auxiliary computer management functions such as cleaning up garbage, computer acceleration, repairing vulnerabilities, software management, real-time protection, network speed protection, computer clinic, etc., to meet the dual needs of users for antivirus protection and security management. In the international authoritative anti-virus software evaluation, Tencent PC Manager's professional security capabilities have been authoritatively recognized, and it has become a domestic anti-virus software that has obtained the "Four Grand Slams" of international authoritative certification, and its anti-virus reputation has become one of the world's first-class anti-virus software.