While there are concerns about its safety, by downloading from a trusted source, using a portable storage device, and disabling antivirus software temporarily, you can use KMSAuto Net 2018 V1.6.4 Portable safely.

KMSAuto Net 2018 V1.6.4 Portable is a popular activation tool designed to activate Windows operating systems, including Windows 10, Windows 8.1, Windows 8, Windows 7, and Windows Vista. This software is based on the Key Management Service (KMS) activation method, which is a legitimate way to activate Windows.

The "Portable" version of KMSAuto Net 2018 V1.6.4 means that it doesn't require installation and can be run directly from a USB drive or any other portable storage device. This makes it easy to use on multiple computers without having to install the software on each one.