If you prefer a completely free, offline desktop productivity suite without a subscription, excellent open-source alternatives exist that are highly compatible with Microsoft Office formats:

Buy a dedicated product key and activate your software through the official Microsoft activation wizard, keeping your system completely safe from third-party exploits. Step 4: Pivot to Open-Source Alternatives

The index of KMS activator Office 2016 can be a useful resource for users who want to activate their Office 2016 installation without a product key. However, it's essential to understand the risks and potential security concerns associated with using a KMS activator. Before using a KMS activator, consider the pros and cons, and explore alternative activation methods, such as purchasing a product key or using a MAK. Remember to always prioritize your security and use trusted sources when downloading any software.

Most activators require you to turn off Windows Defender or your third-party antivirus, leaving your computer completely defenseless.

Antivirus software cannot distinguish between a “friendly” crack and a real cyberattack. Consequently, no credible security researcher will ever say, “This KMS activator is safe.”