Searching for "Microsoft Toolkit 263 final windows office activator updated" leads you down a rabbit hole of malicious websites. Here is what typically happens when you download from an untrusted source:
When the toolkit activates Windows or Office, it performs the following operations: microsoft toolkit 263 final windows office activator updated
: Microsoft .NET Framework 4.0 or higher is strictly required (version 3.5 is not supported). Permissions Searching for "Microsoft Toolkit 263 final windows office