As an AI language model, I do not have personal experiences and opinions. However, I can provide some information about the best IT Administrator course for the future based on research and industry trends.

In today's digital age, IT administrators play a crucial role in managing and maintaining the technological infrastructure of organizations. They are responsible for ensuring the smooth functioning of computer systems, networks, and data centers. With the rapid growth of technology, the demand for skilled IT administrators is increasing. Therefore, it is essential to choose the right IT Administrator course that provides relevant skills and knowledge for future job prospects.

Here are some of the best IT Administrator courses for the future:

1. CompTIA A+

CompTIA A+ is a vendor-neutral certification that covers the fundamentals of computer hardware and software. It is an entry-level certification that is ideal for those who are starting their career in IT administration. The certification covers topics such as installation, configuration, and troubleshooting of computer systems, networks, and mobile devices. The certification is recognized globally and is a prerequisite for many IT jobs.

2. Microsoft Certified Solutions Associate (MCSA)

MCSA is a certification from Microsoft that validates the skills and knowledge needed for IT administration. The certification covers various Microsoft technologies such as Windows Server, SQL Server, and Office 365. The certification is ideal for IT professionals who want to specialize in Microsoft technologies.

3. Cisco Certified Network Associate (CCNA)

CCNA is a certification from Cisco that covers the fundamentals of networking. The certification covers topics such as network protocols, routing, switching, and WAN technologies. The certification is ideal for IT professionals who want to specialize in network administration.

4. Certified Information Systems Security Professional (CISSP)

CISSP is a certification that validates the skills and knowledge needed for information security. The certification covers topics such as access control, cryptography, and security management. The certification is ideal for IT professionals who want to specialize in information security.

5. Amazon Web Services (AWS) Certified Solutions Architect

AWS Certified Solutions Architect is a certification that validates the skills and knowledge needed for cloud computing. The certification covers topics such as AWS architecture, security, and deployment. The certification is ideal for IT professionals who want to specialize in cloud administration.

In conclusion, choosing the right IT Administrator course is essential for future job prospects. The above-mentioned courses are some of the best IT Administrator courses for the future. However, it is important to research and choose a course that aligns with your career goals and interests.