In this regard, first, we will verify the ADB Connection and then the Fastboot Connection. Now that we are done setting up the ADB and Fastboot environment, let’s put it to test and verify the results. How to Check if ADB and Platform Tool is Successfully Installed? Now restart your PC (optional but recommended) and your tasks stand complete. Again click OK to close Environmental Variable and finally click OK to close System Properties. After that, click on the New button and paste the platform-tools folder location (that you had earlier copied) in the space provided.Now select the Path field under System Variable and click on the Edit button.Click on the Environmental Variables button situated at the bottom right.You shall now be taken to the Advanced tab of System Properties.Then head over to the Start menu, search View Advanced System Settings, and open it.