For commands look here:

1. sudo apt-get install android-tools-adb

2. adb connect 100.115.92.2:5555

3. adb install name of your apk.apk

solutions to some problems

step.1

if this shows in your terminal after you have inputted your third/final command, turn your chrome book off and on then open the terminal again.

step.2

if this shows in your terminal after you have completed step 1.follow the rules below.

*sign out of your original account with the terminal.

*then sign into a second account on your chrome book

*after you have signed into that second account wait 1 minute

*after 1 minute has passed sign out of the second account into the original account with the terminal on it, then load the terminal.

step.3

if this shows in your terminal wait a few minutes.

step.4

if this shows in the terminal that means it is successful

(please note only put the third command in the terminal after this point and you wont need any internet access for it also)

please comment below if you are having any other difficulties i will respond asap.

also checkout my youtube video where i did a walk through of this.

how to install apk files on a chrome book without developer mode.

czechmate04