Payware is commercial software that requires payment for use or purchase. There are several synonyms that can be used in place of the word payware, such as proprietary software, commercial software, licensed software, and for-sale software. Proprietary software refers to software that is owned by a particular company and is protected by copyright, such as Microsoft Office. Commercial software refers to software that is developed and sold for profit, such as Adobe Creative Suite. Licensed software refers to software that requires a license to legally use, such as Autodesk AutoCAD. For-sale software refers to software that is sold rather than given away for free, such as Microsoft Windows. These synonyms all refer to software that requires payment to access or use.