I think the software has some problems on Windows. I tried to install it on Windows 7, 10 ver 1890, 10 20H1 but it didn’t work but It work perfectly on Mac /Android Phone/ iPhone
Yes, I Did all of this. I turned on or turned off the Kill Switch but it didn’t work I went to this site to download and install but it still didn’t work: https://www.kaspersky.com/vpn-secure-connection