"emulator ___ process was killed" can be multiple reasons.
check if your machine having enough RAM support as starting emulator consumes too much memory.
You don't to select "hardware" or "software", select for automatic option in graphics options.
Work around can be, just create a light weighted emulator 1st and try to use, ...
I had a similar issue using a DragonTouch K10 and found this question - The issue I discovered I was having was that I needed to enable developer tools on the device. I went to Settings>System>About Tablet, then tapped the Build number 7 times to turn them on. Then my SDK was able to detect it with the drivers I had installed.
Using ADB (Android SDK Installed & PATH set correctly)
and Command Prompt on Windows
Run the following to make sure ADB is working
Place all APKs in a folder
for %e in (*.apk) do adb install "%e"
Improved version based on @thetechreader's answer (works for file names with space/...