Here are some pros and cons:

1. Robust software protection and licensing system:

PROS: The main advantages of a robust protection and licensing system is that it makes using a software illegally so difficult, that most people will instead just opt for buying it, rather than investing all the time and effort it takes, to defeat such a well-made licensing system.

CONS: The main disadvantage of such a system may be in its very nature: to have the necessary control over licenses frequently intrusive or inconvenient features must be implemented. These features may include using a separate, third party license validation software, such as ILok or even the usage of USB dongles, without which the software will not start. Some developers opt for enforcing the need for an internet connection and verify licensing with their own servers (this requires an infrastructure). A secure to use licensing system with many layers of protection may inconvenience the users due to its complexity thus a right balance has to be struck between degree of protection of the license and convenience of the legitimate user.

2. Updating the software regularly

PROS: Regular updates are essential to patch newly found vulnerabilities in the license validation software and thus make it as difficult as possible to use a software illegally, thus motivating people to buy it by making it more difficult to use without buying a license.

CONS: Continuous updates may be difficult to maintain and require constant attention and effort from the developers part.

3. Educating customers

PROS: Educating customers is a good way to raise awareness of the issues with pirated software, it may help persuade them to opt for buying the software instead of using it illegally.

CONS: Customer who do not want to comply with the laws and want to use the software illegally anyway may not be convinced by any education.

4. Affordable pricing

PROS: Affordable pricing may motivate more people to buy the software, due to it being more affordable.

CONS: Lower cost licenses may imply lower income for the company selling the software and thus, may not be feasible in some cases. A balance must be struck here as well.
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