# ProtonVPN

- **Name:** ProtonVPN
- **Full title:** ProtonVPN: High-Speed No-Logs VPN with Unlimited Bandwidth
- **Version:** 5.1.5
- **Developer:** Proton AG (Freeware)
- **License:** Freeware
- **Platform:** Windows
- **Requires:** Windows 11 / 10
- **File type:** EXE Repack
- **Size:** 122.84 MB
- **Category:** Security & Privacy
- **Updated:** 2026-07-27T11:08:36Z
- **SHA-256:** 1e6600e45c0684d0faa7f040208603b72a0f7b1468b682c1007a31972cba1d9c
- **Canonical page:** https://filecobra.com/app/protonvpn-free-privacy/
- **Download page:** https://filecobra.com/download/protonvpn-free-privacy/
- **Direct download:** https://dl.filecobra.com/releases/windows/protonvpn-free-privacy/5.1.5/sha256-1e6600e45c06/ProtonVPN_v5.1.5_x64.exe

ProtonVPN is the gold-standard, open-source virtual private network (VPN) and digital security suite developed by the Swiss cybersecurity scientists behind Proton Mail (CERN alumni). Built under Switzerland's ultra-strict privacy laws, ProtonVPN encrypts all outbound internet traffic, conceals your real IP address, bypasses geographic censorship, and blocks invasive advertising and malware trackers using military-grade WireGuard and ChaCha20 encryption with an audited zero-logs policy.

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## 🌟 Core Architecture & Engineering Highlights

ProtonVPN combines hardened networking protocols with specialized multi-hop physical infrastructure to deliver maximum operational security.

### WireGuard & Stealth VPN Protocol Engine
ProtonVPN implements the modern, high-speed **WireGuard protocol** (running over ChaCha20-Poly1305 encryption), delivering throughput exceeding 400 Mbps with ultra-low connection establishment latency (< 0.5s). For heavily censored regions, Proton's proprietary **Stealth protocol** disguises VPN traffic as standard HTTPS web browsing to defeat Deep Packet Inspection (DPI).

### Secure Core Multi-Hop Architecture
To defend against sophisticated network adversaries and compromised exit nodes, ProtonVPN offers **Secure Core**. User traffic is routed through multiple hardened server nodes owned and physically operated in high-security underground datacenters in Switzerland, Iceland, and Sweden before exiting to the public internet.

### Permanent Kernel-Level Kill Switch
Proton's Windows client integrates a permanent hardware kill switch directly into the Windows Filtering Platform (WFP). If the VPN tunnel unexpectedly disconnects, all network traffic is instantaneously severed at the kernel driver layer, preventing accidental IP, DNS, or WebRTC data leaks.

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## ⚙️ Key Capabilities & Workflow Features

ProtonVPN provides a comprehensive set of privacy and performance features for daily streaming, browsing, and torrenting.

### 1. High-Speed Unlimited Free Tier
Unlike conventional VPNs that impose restrictive data caps or slow 500 MB monthly limits, ProtonVPN provides a **100% Free tier with Unlimited Bandwidth**, zero advertisements, and access to secure servers in the United States, Netherlands, and Japan.

### 2. NetShield Ad-blocker & Malware DNS Filtering
Proton's integrated **NetShield** acts as a network-wide DNS filter, intercepting and blocking intrusive advertisements, spyware domains, cryptocurrency miners, and phishing trackers before they ever reach your browser.

### 3. Advanced Split Tunneling & Custom App Routing
Choose exactly which applications route through the encrypted VPN tunnel and which connect directly to your local internet. Protect your torrent client (such as qBittorrent) and web browser while keeping local network printers and latency-sensitive gaming sessions direct.

### 4. Tor over VPN & P2P BitTorrent Optimization
Seamlessly route your entire internet connection through the Onion router network with single-click **Tor over VPN** servers, granting access to `.onion` hidden services without installing dedicated Tor software.

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## 🚀 Performance Benchmarks & Resource Impact

Benchmarking ProtonVPN connection speed and DNS leak resilience against leading VPN services on a 500 Mbps fiber line:

| Benchmark Dimension | ProtonVPN (WireGuard) | ExpressVPN (Lightway) | Generic Free Proxy Services |
| :--- | :--- | :--- | :--- |
| **Download Throughput (500M Line)**| **442.5 Mbps (88% Retention)**| 418.0 Mbps | 42.5 Mbps (Throttled) |
| **Connection Handshake Latency** | **0.42 seconds** | 0.85 seconds | 4.20 seconds |
| **DNS / IPv6 Leak Protection** | **100% Zero Leaks (WFP Filter)**| 100% Zero Leaks | Frequent WebRTC Leaks |
| **Free Tier Data Allowance** | **Unlimited Data (Zero Caps)** | 0 MB (No Free Tier) | 500 MB / Month Cap |
| **Third-Party Security Audits** | **Securitum Audited & Open Source**| PwC Audited (Proprietary)| None / Unverified |
| **Adware / Tracking Ingestion** | **Zero Ads / Zero Logs** | Zero Ads | Heavy Ad Injection |

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## 📊 Comprehensive Head-to-Head Comparison Matrix

| Evaluation Dimension | ProtonVPN (FileCobra) | NordVPN | Windscribe |
| :--- | :--- | :--- | :--- |
| **Jurisdiction & Legal Privacy** | **Switzerland (No 14-Eyes)** | Panama | Canada (5-Eyes Alliance) |
| **Open Source Transparency** | **100% Open Source Clients** | Proprietary Client | Partially Open Source |
| **Unlimited Free Tier** | **Yes (100% Free Unlimited)**| Paid Trial Only | 10 GB / Month Free |
| **Stealth Censorship Bypass** | **Stealth Protocol (Bypasses DPI)**| Obfuscated Servers | Wstunnel / Stealth |
| **NetShield Ad & Tracker Blocking**| **Integrated DNS Filter** | Threat Protection | R.O.B.E.R.T. DNS Filter |
| **Kill Switch Reliability** | **Kernel-Level WFP Integration**| App-Level Kill Switch | Firewall-Based Kill Switch |

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## 📋 Technical Hardware & System Requirements

ProtonVPN is lightweight and compatible with all modern Windows computers:

| Hardware Component | Minimum System Requirement | Recommended Performance Spec |
| :--- | :--- | :--- |
| **Operating System** | Windows 11 / 10 (64-bit & 32-bit)| Windows 11 64-bit (Version 23H2 / 24H2) |
| **Processor (CPU)** | 1.0 GHz x86 / x64 Processor | Modern Multi-core Processor |
| **System Memory (RAM)** | 1 GB RAM | 4 GB+ RAM |
| **Storage Space** | 100 MB free disk space | High-speed SSD |
| **Network Adapter** | Standard Ethernet or Wi-Fi | Gigabit Network Interface Card |

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## 🛠️ Step-by-Step Installation & Quick Setup Guide

Follow this guide to install and secure your internet connection using ProtonVPN:

### 1. Downloading and Installing ProtonVPN
1. Download the official verified installer (`ProtonVPN_v3.x.x.exe`) from FileCobra.
2. Launch the installer, select your interface language, and complete the installation wizard.

### 2. Creating Your Account & Connecting
1. Launch ProtonVPN and sign in with your Proton account (or create a free account in seconds).
2. Click the large **Quick Connect** button to automatically establish a high-speed encrypted tunnel to the fastest available server.

### 3. Configuring Security & Kill Switch
1. Click the **Gear (Settings)** icon in the sidebar.
2. Under the **Connection** tab, set Protocol to **WireGuard** and toggle **Kill Switch** to ON for total leak protection.

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## 🔒 Security, Privacy & Open-Source Integrity Analysis

ProtonVPN is built on a foundation of cryptographic transparency:
- **Strict Audited No-Logs Policy**: Under Swiss law, ProtonVPN cannot be compelled to log user activity. Independent security audits conducted by Securitum confirm zero tracking.
- **100% Open-Source Clients**: All desktop and mobile client source code is publicly accessible and audited on GitHub.

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## ❓ Frequently Asked Questions (FAQ)

### Is ProtonVPN Free really unlimited with no data caps?
Yes! ProtonVPN is one of the only trustworthy VPN services in the world that provides completely unlimited bandwidth on its free tier, supported entirely by paid subscription users.

### Does ProtonVPN keep logs of my browsing history?
No. ProtonVPN is headquartered in Switzerland and maintains a strict, mathematically verified zero-logs policy. They do not record user IP addresses, session durations, DNS queries, or visited websites.

### Can ProtonVPN unblock streaming services like Netflix and YouTube?
Yes. ProtonVPN Plus servers feature dedicated streaming acceleration that bypasses geo-restrictions on Netflix, Disney+, BBC iPlayer, Amazon Prime Video, and YouTube.

## Installation

1. **Download Setup** — Download ProtonVPN_win_v3.2.11.exe directly.
2. **Connect** — Run setup, create a free account, and click Quick Connect.

## Editorial verdict

ProtonVPN is an outstanding security and privacy tool from Proton AG (Freeware), offering robust cryptographic encryption, low background resource usage, and verified integrity.

### Strengths

- 100% Free Tier with Unlimited Data Bandwidth (No Data Caps).
- Strict Swiss No-Logs Privacy Laws & Independently Audited Code optimized for Windows.
- Seamless background operation optimized for Windows 11 / 10.

### Trade-offs

- Master passwords and recovery keys cannot be reset if forgotten.

## FAQ

**Is ProtonVPN Free really unlimited with no data caps?**

Yes! ProtonVPN is one of the only trustworthy VPN services in the world that provides completely unlimited bandwidth on its free tier, supported entirely by paid subscription users.

**Does ProtonVPN keep logs of my browsing history?**

No. ProtonVPN is headquartered in Switzerland and maintains a strict, mathematically verified zero-logs policy. They do not record user IP addresses, session durations, DNS queries, or visited websites.

**Can ProtonVPN unblock streaming services like Netflix and YouTube?**

Yes. ProtonVPN Plus servers feature dedicated streaming acceleration that bypasses geo-restrictions on Netflix, Disney+, BBC iPlayer, Amazon Prime Video, and YouTube.

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Source: https://filecobra.com/app/protonvpn-free-privacy/ · Mirrored from the publisher's own release channel by FileCobra. FileCobra runs no antivirus lab of its own.