4.1. The use of any information, software and documentation made available on or via this KEWEI Web Site is subject to these Terms of Use or, in case of updating information, software or documentation, subject to the applicable license terms previously agreed to with KEWEI. Separately agreed to license terms, for example software downloads, shall prevail over these Terms of Use.

4.2. KEWEI grants User a non-exclusive and non-transferable license, which may not be sublicensed, to use the information, software and documentation made available to the User on or via the KEWEI Web Site to the extent agreed, or in the event of no such agreement to the extent of the purpose intended by KEWEI in making same available.

4.3. Software shall be made available at no expense in object code. There shall be no right for the source code to be made available. This shall not apply to source code related to open source software, which license conditions take priority over these Terms of Use in the case of transfer of open source software and which conditions require the making available of the source code. In such case KEWEI shall make the source code available in return for the payment of costs.

4.4. Information, software and documentation may not be distributed by the User to any third party at any time nor may it be rented or in any other way made available. Unless such is allowed by mandatory law, the User shall not modify the software or documentation nor shall it disassemble, reverse engineer or decompile the software or separate any part thereof. The User may make one backup copy of the software where necessary to secure further use in accordance with these Terms of Use.

4.5. The information, software and documentation are protected by copyright laws as well as international copyright treaties as well as other laws and conventions related to intellectual property. The User shall observe such laws and in particular shall not modify, conceal or remove any alphanumeric code, marks or copyright notices neither from the information nor from the software or documentation, or any copies thereof.