How to create a bootable installer for macOS High Sierra

Below steps should be performed as Mac Mac Admin user.

1) First Step before upgrade or Erase install Please back up all your data.
2) Check for you Mac that is compatible with the Mac OS : https://support.apple.com/en-in/HT201686
3) Download macOS from the App Store
4) When the macOS installer opens, quit it without continuing installation.
5) connect the USB flash drive or other volume that will be used as the bootable installer. Make sure that it has at least 12GB or more available storage.
6) Open Terminal, which is in the Utilities folder of your Applications folder or spotlight Terminal search to open.
7) open Disk utility and Erase the Disk in HFS format volume name should be MyVolume.
8) Type or Paste the following commands in Terminal.

sudo /Applications/Install\ macOS\ High\Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install\ macOS\ High\Sierra.app

9) Enter the Mac Admin password

10) Terminal will confirm for Eraising the volume Type Y and confirm with password if asked.

and the process will start.

How to Add iCloud Drive to Dock

The iCloud Drive brings all your files together of iOS on Mac. You can easily browse, search and organise all your files in one place — not just the files on the device you’re using, but also from iCloud Storage.

We access the iCloud Drive on the sidebar of an Finder window. Its easy to launch this service from Dock, iCloud drive, Airdrop, Network, All my files and computer can be enabled to launch from Dock.

Follow below steps:

1) Finder menu bar  Go > Go To folder

2) Here we need to connect to the finder app package folder and we have to go inside the contents/ Applications folder. so we will give the path

/System/Library/CoreServices/Finder.app/Contents/Applications/

3) Using your mouse, drag the iCloud Drive or other app to the desired location in your Dock.  

and you are done, you have added iCloud Drive to your Dock for quick access.