This VPN tool for PC does not keep user logs or track and record any personal information and is hence completely safe to use. What you can avail is complete end-to-end security with military-grade encryption facility along with AES (Advanced Encryption Standard) feature to transmit data with 256 bit-encryption. Being a cross-platform VPN service, it is suitable for various products and supports up to 6 devices besides being user friendly.
One of the most popular and best free VPN for Mac is the NordVPN.