When you need to use a KVM, here is a tried and tested KVM viewer, the TightVNC Viewer which you can download here:
https://managedway.dl.sourceforge.net/project/myportableapps/TightVNC/Viewer/TightVNCViewerPortable_2.7.10_Development_Test_1_English.paf.exe
If you use Slack and you want a nice skin, use the CSS codes below:
1 | #000000,#321b5e,#D39B46,#FFFFFF,#434745,#ffce0a,#00ff44,#DB6668 |