If KSOS is too expensive, consider Kaspersky Standard (the premium home version) for up to 10 devices. It lacks server and Exchange protection but covers PCs, Macs, and phones for ~$60/year. For a very small business with no on-premise server, this may suffice legally and financially.
Some tools claim to reset the 30-day trial indefinitely. These require disabling Kaspersky’s self-defense and modifying system files. The moment you disable protection to apply the hack, you expose your network. Moreover, tampering violates Kaspersky’s EULA, and you permanently lose technical support. Kaspersky Small Office Security License Key Free
Kaspersky frequently runs promotional campaigns, especially around the holidays or tax season. If KSOS is too expensive, consider Kaspersky Standard
If you are on the fence about purchasing a license after the trial, consider the value proposition for a small business. Some tools claim to reset the 30-day trial indefinitely
Check your existing subscriptions. Some cloud providers include discounted Kaspersky licenses:
The safest way to get a "free license key" is to download the official trial version.
Kaspersky offers a 100% functional, no-credit-card-required 30-day trial of KSOS directly from their website.