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OpenVPN (64-bit)
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OpenVPN (64-bit)

  -  5.6 MB  -  Open Source
Free Download

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  • Latest Version

    OpenVPN 2.7.7 (64-bit) LATEST

  • Review by

    Michael Reynolds

  • Operating System

    Windows 7 64 / Windows 8 64 / Windows 10 64 / Windows 11

  • User Rating

    Click to vote

  • Author / Product

    OpenVPN Inc. / External Link

  • Filename

    OpenVPN-2.7.7-I001-amd64.msi

OpenVPN 64 bit is an award-winning and fully-featured SSL VPN solution that can allow everyone from computing novices to large companies to configure the way they are accessing the internet, unlocking powerful services for safer and stealthier browsing experience

Built from the ground up to support latest encryption methods, this app allows you to connect your PC to OpenVPN servers without the fear that anyone will intercept and spy on your data, from where your data requests will be distributed across the rest of the web in a safe and controlled manner.

This downloads the source code. Please download OpenVPN Connect if you need a working OpenVPN GUI client.
 
By default, the app can distribute your data traffic across many of its servers, making your online location masked and unrecognizable to Internet Service Providers and the rest of the internet in general

In addition to that, It also comes with the large offering of customization tools that can be used for setting up remote access privileges, site-to-site VPNs, enterprise-scale remote access, adaptive load-balancing, advanced Wi-Fi security, failover services, fine-grained user access control, and much more.
 


The presence of both automated VPN services and advanced tools have made OpenVPN 64bit into #1 secure browsing software of choice for both regular users, organizations of all sizes, and many Fortune 500 companies.

Installation and Use

It comes in a small package that will after installation re-configure the way your computer is accessing the internet.

The configuration window of this app is actually very lightweight, and it holds only the most basic of tools for setting the type of your VPN setting (config file, system proxy settings or manual configuration) and a dropdown menu for selecting user interface language (with over 15 available translations).

Originally built for use in enterprise environments, the personal tier of OpenVPN retains the highly advanced technologies and lightweight tools. The core security feature of OpenVPN is based upon OSI layer 2 or 3 secure network extension that is utilizing SSL/TLS protocols. It installs deep into the Windows OS, enabling all the user apps to take advantage of the security features, firewall rules, authentication certificates, and more.

In the real world, ordinary non-business users can encounter various roadblocks that can prevent them from taking full advantage of their home internet connection.

This may include ISP data rate throttling, website content region blocking, or even government-imposed firewalls. It allows users to circumvent these issues, offering you stable and secure data stream to their servers, from which you will be re-routed to any major region in the world, and be able to access its “local” content.

No matter if you want to simply access region-specific sites and services (such as streaming platforms content offering) or to read censored news outlets, It can allow you to do that in just a few clicks.

Another benefit of an Open VPN is a unified virtual presence. No matter where you physically are, if you are using Open VPN, the rest of the internet will be able to detect you originating from a single region.

Features and Highlights
  • Core – With over 50 million downloads, the core technology of Open VPN has proven to be one of the leaders in the field of VPN security.
  • Advanced AES encryption – It encrypts all outgoing and incoming internet data with the world’s leading standard for encryption.
  • Fortified privacy – Effortlessly protect your personal and online identity by location spoofing your IP address.
  • Wireless hot spot protection – Prevent unauthorized access to your data while connecting to public and unsecured Wi-Fi sports.
  • Travel protection – Mask your online location no matter where you are.
  • Worldwide server connection – Gain access and establish your virtual presence at servers that are in 12 regions around the world.
  • Unrestricted access – Access OpenVPN servers from any location in the world.
  • 24/7 support – Gain access to support 24/7 via email or live webchat.
  • Full Windows compatibility – Available on all modern versions of Windows, ranging from Windows 2003 to Windows 11 (both 32-bit and 64-bit).
PROS
  • Easy to use and scalable for both personal and business use.
  • Secure data transport over an encrypted tunnel.
  • Cross-platform support for various operating systems.
  • Free!
CONS
  • None.
Also Available: OpenVPN (32-bit) and OpenVPN for Mac

Download OpenVPN (64-bit) Latest Version
Why is this app published on FileHorse? (More info)

  • OpenVPN 2.7.7 (64-bit) Screenshots

    The images below have been resized. Click on them to view the screenshots in full size.

    OpenVPN 2.7.7 (64-bit) Screenshot 1

What's new in this version:

Security fixes:
- reliability layer: avoid unbounded reliable TLS timeout, and ignore acks for packets that cannot be outstanding
- Both reliability layer bugs found by Mark Bregman (Fox-IT)
- windows: fix CreateProcess() command line quoting for characters that are special to cmd.exe, where a combination of validation script plus rogue CA could lead to misbehavior
- Bug found by Clouditera Security
- windows: fix tapctl to always call netsh.exe with full path (as we do elsewhere)
- Bug found by BreachX Zero Day Labs (using Typhon AI Mil v2)
- windows: don't use NULL DACL with system objects, namely the --service exit event and the netsh.exe guard semaphore.
- The old approach was prone to a local DoS where one user could interfere with other users' openvpn processes by blocking the netsh semaphore or sending events. This only affects setups not using the iservice, or using the automatic service to start/stop openvpn
- Bug found by DEBRAJ BASAK
- openvpnserv (windows): pass correct NRPT domains size - when IDN domains with UTF8 encoding were involved, a buffer overread could be achieved
- Bug found by BreachX Zero Day Labs (using Typhon AI Mil v2)
- openvpnserv (windows): don't allow '/' in config paths.
- The APIs windows uses for path validation do not handle '/' as path separator, while the file open APIs do, so this could be used to circumvent our config path validation, leading to openvpn.exe starting a user-controlled config file even if administratively not allowed
- Bug found by BreachX Zero Day Labs (using Typhon AI Mil v2)
- dhcp (windows): fix off-by-one in write_dhcp_search_str() temp buffer guard - suitable DHCP options could lead to a single-byte overflow of a temp buffer
- Bug found by Andre Kropp (Nexory) and ChinhNguyen
- linux netlink: validate netlink replies against the request
- Suggested by Joshua Rogers as a security improvement
- openvpnserv (windows): fix off-by-one on input validation (discovered while fixing CVE-2026-78221)
- openvpnserv (windows): harden CheckConfigPath() a bit more (another improvement while working on CVE-2026-78043)

User-visible Changes:
- when using EPOCH data channel format, reduce the number of future keys from 16 to 4 - the previous calculation was wrong, and 4 spare keys are sufficient for 100+ Gbit/s links. This means less log spam in userland and fewer resources used in in-kernel implementations.

Fixed:
- work around a pubkey-handling bug in mbedTLS 4.1.0 and 4.2.0 (supposedly fixed in 4.3.0)
- multi: don't let stale-routes-check delete permanent routes - --stale-routes-check did not only delete dynamic cached routes, but also routes installed by --iroute and --ifconfig-push. Fixed by introducing route flags and restraining the check on them (Github: OpenVPN/openvpn#1063)
- ssl: do not queue control ciphertext while a packet is still queued (fixes problems in TCP p2p handshake when both sides try to handshake at the same time) (Github: OpenVPN/openvpn#1089)
- reenable xmit_hold when using p2p tcp-server and tls-server - in TCP server mode the server is not expected to initiate the TLS handshake. This was introduced by the multisocket code checking the wrong variable for socket protocol (Github: OpenVPN/openvpn#1089)
- clinat: do not adjust UDP checksum if zero (as per RFC768)(Github: OpenVPN/openvpn#1037)
- openssl: avoid resetting the HMAC key on every packet
- (Github: OpenVPN/openvpn#1088)
- openvpnserv (windows): fix log lines format string - interface names with international characters printed in some error messages need to be converted from UTF8 to UCS16 first.
- fix format string specifier for size_t (%zu)
- fix test_misc compile issues with -Werror

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