Google Docs: If your Windows 7 machine is mostly used online, browser-based tools are the safest way to avoid local security risks. Conclusion
You do not need a cracked version to use WPS Office on Windows 7. The official developers offer a robust Free Version that is compatible with older systems.
Legal Issues: Using or distributing cracked software is a violation of copyright laws and terms of service. The Better Alternative: WPS Office Free Version
If the official free version of WPS Office doesn't meet your needs, consider these reputable, 100% free open-source alternatives:
Safe and Secure: By downloading from the official WPS website, you ensure your system remains free of malware. How to Download Safely