The "MSGuides" method refers to a widely circulated activation technique that uses a script. Instead of using third-party software that might contain malware, this method involves creating a text file with specific code, saving it as a command file ( .cmd ), and running it with administrative privileges. How the Activation Script Works
Summary
If prompted, you may need to provide an MSGUID (a unique identifier). You can generate one using an online tool or use a pre-existing one. microsoft office 2019 activator txt msguides