How to disable write access to a folder using powershell?

Question

PowerShell

It is necessary to set a write ban in the security settings in the folder properties through powershell, some kind of heresy occurs through the icacls command, which no one can explain.

Answer 1

Easily. Choose.
1. Get-ACL cmdlets | Set-ACL.
2. External library NTFSSecurity https://github.com/raandree/NTFSSecurity and its basis - AlphaFS alphafs.alphaleonis.com
3. External utility https://helgeklein.com/setacl/