EULA and privacy policy are related in that an EULA is signed to show a consumer agrees with the company's privacy policy. An End-User License Agreement (EULA), or software agreement, is a contract between the person or company purchasing the product and the company or licensor. This contract gives the purchaser permission to use the product within the guidelines of the contract. The contract stipulates what the purchaser can, and can't, do with the software.

An EULA can be a part of any software or application on any platform, including computers, mobile devices, and gaming devices. The EULA is in place mostly to protect the company or licensor, so the product's user is bound by the agreement's rules.

Click-Through Implementation

Most EULAs are implemented this way: in order to use the software they purchased, the user needs to click through an agreement to the terms of use, or the EULA. In order to open an account, use restricted areas, or perform updates, the EULA needs to be accepted.

There are several ways in which a user can accept the terms of an EULA:

  • Breaking the seal or opening the shrink wrap on a CD, DVD, or USB case. This is not typically used because the user can't actually read the agreement before agreeing to it.
  • At a specific step when installing the application — the installation stops until the EULA is agreed upon. This is usually done with a pop-up window which requires the user to scroll through the EULA and then click "I accept" to move forward.
  • Before allowing the program to run for the first time. The software will usually notify you that you've agreed to the EULA by using the program, but does not actually require you to click "accept."
  • Users may be notified that they agree to the EULA simply by using the software or application.

Clauses in an End-User License Agreement

EULAs are at the discretion of the developer as to how they want the EULA to read and what clauses are included in the agreement. This may include restrictions on how the software can be used, such as not allowing reverse engineering, or limiting the number of computers the program can be installed on. Most EULAs contain language disallowing the user from filing any lawsuits against the developer for damage caused by using the software on their device.

An EULA can also be used to set expectations for software updates. Some agreements contain language that allows automatic updates without obtaining user consent every time. In order for automatic updates to be in place, the computer would need to send information to a third party. A developer must be cautious with this setup, as it could be considered a breach of privacy to enable this third-party sharing. Without this clause in place, it is required to get the consent of the user every time there is a software update.

Other common additions include not allowing users to reverse engineer, copy, check performance, or uninstall any part of the software. This is seen more with all the free software that is out, as most of them operate off ad bundles that exist to create revenue for the developer. If the user would uninstall these ad bundles, the income stream would no longer exist for the developer.

An EULA is also used to protect the software developer or manufacturer by limiting liability. The EULA will state that the developer is not responsible for any damage caused to someone's device by installing or using the software. This creates a protection against any future claims against you if there is an issue with the software in the future.


There have been disagreements in United States courts on how enforceable EULAs are. Much of this will depend on the particular court the case is heard in. Decisions are usually based on particular clauses in an EULA, not necessarily on the EULA as a whole. The main argument with EULAs is the fact that they are so long and filled with legalese. It is common knowledge that most users do not actually read these agreements that they are bound by, and those who do most likely do not understand them.

In contrast, Terms of Service or Terms and Condition Agreements are considered legally binding. While they are similar, Terms of Service focuses more on prohibiting certain types of activities, and these agreements do hold up in the court of law.

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