Our devices carry the most important and personal files and, become an important factor to protect PC and data with a good antivirus program. Best lightweight Antivirus software should be able to protect PC real-time and remove any malware on the system with minimal resource use.
We are bound to select the best lightweight antivirus software which stands the light, best and is able to efficiently do the job of blocking, detecting the virus or malware and detecting the virus or malware and fixing in case of a virus or malware attack. Each antivirus software varies in different terms such as memory usage, scanning time, weight, etc.
Light Weight Antivirus for Windows and Mac-Resource Overview
|Lightweight Antivirus||Ideal||Scan||OS Supported|
|Avast||9,706 KB||Mac, Windows, Android, iOS|
|Panda Cloud Antivirus||9,706 KB||76,498 KB||Mac, Windows, Linux, iOS|
|Microsoft Security Essentials||70,484 KB||79,103 KB||Windows|
|Webroot||3,823 KB||9,949 KB||Mac, Windows|
|Immunet||40,413 KB||63,475 KB||Mac, Windows, Linux|
|F-Secure||62,042 KB||92,386 KB||Mac, Windows, iOS|
|ESET||93,616 KB||103,244 KB||Mac, Windows|
|Comodo Cleaning Essentials||39,664 KB||105,317 KB||Mac, Windows|
However, we show a slight hesitation to “buy” security software. We are bound to go for the cheapest one in town. Each of these has undergone a set of malware tests to find the best and lightweight anti-virus.
Avast is the number one platform for antivirus and anti-malware protection you must have on your Mac or Windows. Avast helps 230 million people across the globe to protect their files. The download is done in 3 easy steps: Run, Confirm and Follow the instructions. Avast also provides various other products for security scanning and network security. This is at the top of the list for antivirus software.
ICSA Certified Firewall is also a highlight of Avast. In the case of Linux, an initial registration gives you a free trial of 30 days for non–commercial usage. It has an ideal working set of 9,706 KB and resets every 10 seconds for a scan working set.
Support: Mac | Windows | Android | iOS | (Ideal: 9,706 KB) | Download Avast
2. Panda Cloud Antivirus
Panda Cloud Antivirus claims responsible for detecting more than 250 million threats. With only 2.15 MB, this antivirus is definitely what many would recommend as lightweight protection. This is a light antivirus based on cloud computing, but powerful enough to protect your PC.
Support: Mac | Windows | Linux | iOS | (Ideal: 9,706 KB | Scan:76, 498 KB) | Download Panda
3. Microsoft Windows Defender
Microsoft Security Essentials products provide protection against malware in Windows 10. The built-in security software in all Windows 10 Pc help to guard against viruses and protect files from attacks. It presents real-time protection for your PCs and is free. Windows 10 defender is a lightweight antivirus, which is built into the Windows 10 system, has a neat detection ratio and uses less CPU and RAM.
Support: Windows 10 | (Ideal:70,484 KB | Scan:79,103 KB) |
This wonderful lightweight antivirus ensures that none of your files are left detached and is protected from further attacks. It does not require any signature updates and needs only a small space on the disk compared to the others. Log into this wondrous site, to get a taste of trial version of the varied products.
Support: Mac | Windows | (Ideal:3,823 KB | Scan:9,949 KB) | Download Webroot
A cloud base, free and community-driven anti-malware software, Immunet is an application that makes use of ClamAV and has its own engine too. The highlight of Immunet is that the signature file attacked by the virus is stored in a cloud and not on the PCs, so update downloads do not play the role.
Immunet has an Idle Working Set of 40,413 KB and Scan Working Set of 63,475 KB. The initial installation memory is about 557 KB.
Support: Mac | Windows | Linux | (Ideal:40,413 KB | Scan:63,475 KB) | Download Immunet
Originating from Finland, this anti-malware software is the first antivirus software to establish a presence on the World Wide Web. It is known formerly for tracking internet mobile security threats.
Support: Mac | Windows | iOS | (Ideal:62,042 KB | Scan:92,386 KB) | Download F-Secure
ESET is a global level malware protection software that is known for its products for nearly two decades. Their highlights are firewalls and antivirus products and are very well known for ESET NOD32.
Support: Mac | Windows | (Ideal:93,616 KB | Scan:103,244 KB) | Download ESET
8. Comodo Cleaning Essentials
“Creating Trust Online”. This anti-malware software is giving out free products for Windows. MAC as well as Linux. It also gives various other products that have highlights of encryption of transmitted data over the internet and online storage for backup.
Support: Mac | Windows | (Ideal:39,664 KB | Scan:105,317 KB) | Download Comodo Cleaning Essentials
Microsoft Security Essentials
Microsoft Security Essentials products provide protection against malware in Windows 7 and Windows Vista. They help to guard against viruses and protect files from attacks. It presents real-time protection for your PCs and is free (Trial). Microsoft Security Essentials is not as lightweight antivirus, but this malware protection software is Windows built-in, has a neat detection ratio and uses less CPU and RAM.
It uses a memory of 4.28 MB during the initial installation. Security Essentials from Microsoft make uses of 70,484 KB for Idle Working Set and 79,103 KB for Scan working set.
Support: Windows | (Ideal:70,484 KB | Scan:79,103 KB) | Download MS Essentials
The best antivirus should tick all the right boxes, it should update the latest virus definitions regularly, able to protect system real-time and not take much system resources. Amidst all the software available, it is indeed quite difficult to come up with the best antivirus software right for the PC.
With a lightweight antivirus, your hard disk is safe from running out of space from all those bulky antivirus software. Memory consumption is less and the job done is more with less CPU Power. With double plus points, your PC is safe and will not overload the memory.
These are some of the few best lightweight antivirus software that you could try out. Many of them have a 5-star rating by rated professionals make sure the best virus protection, all comes down to protecting PC after all.