1. https://chocolatey.org/ to install The package manager for Windows – click “Install Chocolatey Now” button.
2. Copy the cmd.exe or PowerShell.exe command line as applicable (screenshot from install link below). Note: I don't have them available here as they are likely to be updated.
3. After installation is complete, exit and launch command prompt (CMD.EXE) as administrator and execute the command c:/> choco install nodejs.install as shown in image below:
4. Exit the command window and re-launch the command window; you can now execute the following commands to install typescript and bower
a. npm install – g typescript
b. npm install –g bower
View the chocolatey packages page to see other packages that can be installed: https://chocolatey.org/packages. I have a command file that contains the following:
choco install nodejs.install
choco install 7zip.install
choco install notepadplusplus.install
choco install git.install
choco install visualstudiocode
choco install github
choco install visualstudio2017enterprise