Update README.md

Author: alsyundawy

README.md

@@ -30,6 +30,21 @@ If you find this project helpful and would like to support it, please consider d
 
 [Update history for Office for Mac](https://learn.microsoft.com/en-us/officeupdates/update-history-office-for-mac)
 
+---
+
+## Steps.
+
+- Download Microsoft_Office_LTSC_2021_VL_Serializer.pkg or Microsoft_Office_LTSC_2024_VL_Serializer.pkg.
+- Install Volume License pkg.
+- Download the installer package which you want from the official link below.
+- Install the pkg that you download.
+- All your office apps have been activated.
+
+##If you already install the VL pkg(or install it before), just install the office update packages.
+
+
+
+
 ---
 
 ## Office Suite Installers