Proxifier v4 for Windows


Quick Start
What's New in Version 4
Migration from Version 3
Working with Proxifier
Proxy Server Settings
Proxification Rules
Name Resolution
User Interface
System Tray Icon
Manual Proxification
Proxy Chains
Proxy Redundancy
HTTP Proxy Support
Advanced Proxy Settings
Profile Auto Update
Direct Connections
Log Files
Services and Other Users
Additional Info
Proxifier Editions
Windows Service Mode
Portable Network Engine
Proxy Checker
Connection Loop Problem
Installation and Driver
License and Support
Trial and Registration
Technical Support
End-User License Agreement

Related Topics

End-User License Agreement for Proxifier

Version: September 13, 2023

IMPORTANT PLEASE READ THE TERMS AND CONDITIONS OF THIS LICENSE AGREEMENT CAREFULLY BEFORE CONTINUING WITH THIS PROGRAM INSTALL: VentoByte End-User License Agreement ("EULA") is a legal agreement between you (either an individual or a single entity) and VentoByte SL ("VentoByte") for the VentoByte software product(s) identified above which may include associated software components, media, printed materials, and "online" or electronic documentation ("SOFTWARE PRODUCT"). By installing, copying, or otherwise using the SOFTWARE PRODUCT, you agree to be bound by the terms of this EULA. This license agreement represents the entire agreement concerning the program between you and VentoByte, and it supersedes any prior proposal, representation, or understanding between the parties. If you do not agree to the terms of this EULA, do not install or use the SOFTWARE PRODUCT.

The SOFTWARE PRODUCT is protected by copyright laws and international copyright treaties, as well as other intellectual property laws and treaties. The SOFTWARE PRODUCT is licensed, not sold.


(a) Evaluation period. The SOFTWARE PRODUCT is not free software. Subject to the terms below, you are hereby licensed to use the SOFTWARE PRODUCT for evaluation purposes without charge for a period of 31 days. If you use this software after the 31-day evaluation period you must purchase a license. Unregistered use of the SOFTWARE PRODUCT after the 31-day evaluation period is in violation of U.S. and international copyright laws. (b) Distribution. Evaluation and trial versions available for download from VentoByte's websites may be freely distributed under the conditions that it is not modified in any way and that no remuneration, monetary or otherwise, is received for the evaluation or trial version.


The SOFTWARE PRODUCT is licensed as follows:
(a) Installation and Use.
VentoByte grants the right for a single user to use the SOFTWARE PRODUCT. You may install the SOFTWARE PRODUCT on more than one computer provided that only the licensed user is using the SOFTWARE PRODUCT. Network installation or distribution within an organization is only permitted if you have purchased licenses sufficient to cover the number of copies in simultaneous use.
(b) Backup Copies.
You may make copies of the SOFTWARE PRODUCT as may be necessary for backup and archival purposes.


(a) Maintenance of Copyright Notices.
You must not remove or alter any copyright notices on any and all copies of the SOFTWARE PRODUCT.
(b) Distribution.
You are authorized to distribute copies of the SOFTWARE PRODUCT to others within your organization who are licensed by the same VentoByte license. All other distribution of the SOFTWARE PRODUCT in whole or in part is strictly prohibited. Exception: Organizations that have prior written authorization from VentoByte to distribute the SOFTWARE PRODUCT independently or with their own products and/or services are entitled to distribute the SOFTWARE PRODUCT in its unmodified form.
(c) Registration codes
You may not distribute registration codes for the SOFTWARE PRODUCT to users not covered by your purchase. You may not distribute "keygen" software designed to circumvent the registration process.
(d) Prohibition on Reverse Engineering, Decompilation, and Disassembly.
You may not reverse engineer, decompile, or disassemble the SOFTWARE PRODUCT, except and only to the extent that such activity is expressly permitted by applicable law notwithstanding this limitation.
(e) Rental.
You may not rent, lease, or lend the SOFTWARE PRODUCT.
(f) Support Services.
VentoByte may provide you with support services related to the SOFTWARE PRODUCT ("Support Services"). Any supplemental software code provided to you as part of the Support Services shall be considered part of the SOFTWARE PRODUCT and subject to the terms and conditions of this EULA.
(g) Compliance with Applicable Laws.
You must comply with all applicable laws regarding use of the SOFTWARE PRODUCT.
(h) Feedback
Any suggestions concerning the SOFTWARE PRODUCT which you send to VentoByte become the property of VentoByte.


Without prejudice to any other rights, VentoByte may terminate this EULA if you fail to comply with the terms and conditions of this EULA. In such event, you must destroy all copies of the SOFTWARE PRODUCT in your possession.


All title, including but not limited to copyrights, in and to the SOFTWARE PRODUCT and any copies thereof are owned by VentoByte. All title and intellectual property rights in and to the content which may be accessed through use of the SOFTWARE PRODUCT is the property of the respective content owner and may be protected by applicable copyright or other intellectual property laws and treaties. This EULA grants you no rights to use such content. All rights not expressly granted are reserved by VentoByte.


VentoByte expressly disclaims any warranty for the SOFTWARE PRODUCT. The SOFTWARE PRODUCT is provided 'As Is' without any express or implied warranty of any kind, including but not limited to any warranties of merchantability, noninfringement, or fitness of a particular purpose. VentoByte does not warrant or assume responsibility for the accuracy or completeness of any information, text, graphics, links or other items contained within the SOFTWARE PRODUCT. VentoByte makes no warranties respecting any harm that may be caused by the transmission of a computer virus, worm, time bomb, logic bomb, or other such computer program. VentoByte further expressly disclaims any warranty or representation to the users or to any third party.


In no event shall VentoByte be liable for any damages (including, without limitation, lost profits, business interruption, or lost information) rising out of use of or inability to use the SOFTWARE PRODUCT, even if VentoByte has been advised of the possibility of such damages. In no event will VentoByte be liable for loss of data or for indirect, special, incidental, consequential (including lost profit), or other damages based in contract, tort or otherwise. VentoByte shall have no liability with respect to the content of the SOFTWARE PRODUCT or any part thereof, including but not limited to errors or omissions contained therein, libel, infringements of rights of publicity, privacy, trademark rights, business interruption, personal injury, loss of privacy, moral rights or the disclosure of confidential information.

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