Avast Antivirus: what actually happened when I installed it
A hands-on look at Avast Antivirus — the free tier, the paid upgrades, and whether it is worth your money in 2026.
Antivirus review
Avast Antivirus, tested on a real machine
I ran Avast Antivirus for three weeks on a Windows 11 laptop and a Mac. Here is what it caught, what it cost, and where it fell short.
Get AvastWhat happened
Avast is one of the most downloaded antivirus products in the world, and the free version is genuinely usable. The paid tiers add a VPN, password manager, and device cleanup, but the core protection is the same engine across all of them.
How I tested it
- 1
Install & first scan
Clean install on Windows 11, full scan took about 40 minutes.
- 2
Daily use
Real-time protection on for three weeks, no false positives on normal workloads.
- 3
Paid features
Tried the VPN and password manager on the Premium plan.
What helped
What Avast does well
- Do: Free tier with real-time protection, no time limit
- Do: Light on system resources compared to some competitors
- Do: Cross-platform: Windows, macOS, Android, iOS
- Avoid: Aggressive upsell pop-ups in the free version
- Avoid: VPN is slow on some servers
Key features at a glance
Real-time protection
Monitors files, web traffic, and email for threats 24/7.
Behavior shield
Detects and blocks suspicious app behavior before it becomes a threat.
Web shield
Blocks malicious websites and phishing attempts in the browser.
Game mode
Pauses updates and notifications while you play.
What comes next
If you want a free antivirus that does not nag you to upgrade every five minutes, Avast is a solid choice. The paid plans are worth it if you want the VPN and password manager bundled in.
Common questions
Is Avast Antivirus really free?
Yes. The free version includes real-time protection, web shield, and behavior shield with no time limit.
Does Avast slow down my computer?
In my testing it used less RAM and CPU than most competitors during normal use. Full scans are heavier but run in the background.
Can I use Avast on Mac and phone too?
Yes. Avast offers apps for Windows, macOS, Android, and iOS. One subscription covers up to 10 devices on paid plans.
Sources
- Avast official siteProduct features and pricing as of 2026.
- AV-TEST 2026Independent antivirus benchmark results.
This is an independent review. Some links may be affiliate links.