search for chocolatey installation on any search engine. chocolatey install
Open powershell on your machine and run as administrator
Run
Get-ExecutionPolicy.
If it returns Restricted,
then run
Set-ExecutionPolicy AllSigned
Then run the command:
Set-ExecutionPolicy Bypass -Scope Process -Force; [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072; iex ((New-Object System.Net.WebClient).DownloadString('https://community.chocolatey.org/install.ps1'))
After installing chocolatey, now you can install other softwares you want.
Thank you