The client`s inability to verify the license agreement prior to the purchase of the software has led to the absence of legal difficulties in some cases. Also, in ProCD v. Zeidenberg, the license was declared enforceable because it was necessary for the customer to accept the terms of the agreement by clicking a “I agree” button to install the software. However, in Specht v. Netscape Communications Corp., the licensee was able to download and install the software without having to review the terms of the agreement and approve it positively, so that the license is considered unenforceable. Wondering how to write a user agreement? Be sure to include all important points based on the transactions you make through your website or mobile app. Organize the agreement in different sections to make it easier for your users. Click-Wrap Licensing Agreements refer to the formation of website-based contracts (see iLan Systems, Inc.