You can keep it on a USB drive and use it on any machine without leaving registry entries behind. 3. Safe & Clean (Ratiborus Reliability)

: It utilizes Key Management Service (KMS) emulation to trick the operating system into thinking it has been verified by a corporate server. ⚠️ Security and Safety Risks

: As a portable application, it can be run directly from a USB drive or local folder without leaving deep traces in the system registry.