Honestly speaking, nothing, including Windows 10, is safe in the virtual world if it’s not well protected. There are tons of hassles like viruses, malware, online frauds, and the like keep ready to take you into their nippers if you browse the internet on your Windows 10-based PC without added security.
The tried and tested way to make Windows 10 safe is to use the best Windows 10 VPN.  With its help, Windows 10 that you use will be out of harm’s way.