While not strictly "free," if you are part of a university, check if your institution provides a campus-wide license. Many departments buy bulk seats that allow students and faculty to use the Professional version at no personal cost. Conclusion

Many websites promising free keys are fronts for malware, ransomware, or phishing schemes that can compromise your computer [3].

Instead of risking your data and device with a "SmartPLS 4 license key free" from a shady source, stick to the or the 30-day Professional Trial . These options ensure that your research remains ethically sound and your statistical output is 100% accurate [2].