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PC Systems of Missouri
We’re proud to have been serving you for over 37 years!


Contact us for more information!
Phone: (314) 336-0575
Fax (636) 861-3869
info@pcsmo.com

Referrals are the highest form of compliment. If you know anyone who could benefit from our services, please feel free to share our contact information or click on this link and fill out the form.

Support for Windows 10 officially ends 10/14/25!

You could continue to use your PC with an older version of Windows but
without software and security updates, it will be at greater risk for viruses and malware. The best way for you to stay secure is Windows 11. Talk to us about upgrading your current machine or purchasing a new one.

 Windows Server 2016 has expired. Contact us to discuss upgrading your servers.

MS Office 2019 support is also ending on 10/14/25. Plan to upgrade your Office software too.


Life cycle of Microsoft Operating Systems

Custom PCs, Laptops, Networking, Service, Support, Off-site Backup, Phone Systems, Camera Security Systems, Web Design, Hosting, Forensics, Domain Registration, and Credit Card Processing!

We have an inventory of pre-owned PCs, laptops, printers, etc.  Call for details and pricing.

Looking to upgrade your phone system? Give us a call.

We are proud to be a Gillware Data Recovery Affiliate Partner

Latest News:   

Happy Cinco de Mayo! Happy Birthday to our Cindy and Randy K! Happy Anniversary to Bren & Eric! Happy Mother’s Day (Hi Mom)! Remember the Fallen…

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