Thank you for choosing MS365 Security!

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Here’s how to install MS365 Security in your machine!

Run The Installer

Click the downloaded file at the bottom left corner of your screen.

Confirm The Installation

Click “Yes” on the system dialog window to approve the start of your MS365 Security installation.

Confirm The Installation

Click the button in the installer window to begin installation.

Need Assistance? Call us +1 (855) 404-6944


Main Source 365 Tech is a trusted independent cyber-security and technical support service company for both software and hardware. Main Source 365 Tech focuses on business and consumer cyber peripherals for third-party companies and in-house. Main Source 365 Tech and its many brands have no affiliation with any third-party companies other than what is specified. Main Source 365 Tech does not falsely represent any other companies, images or brands. Main Source 365 Tech is not responsible or liable content, solutions, products or services from third-parties. Main Source 365 Tech cyber-security workforce and certified technicians are experienced but may not hold any certifications unless expressly noted. All brand names and trademarks used on our site are for referential purposes with credit to the respective owners.