5 years is a long time. There could be hard issues with Windows 10. At a minimum, there will be Windows 10 features you can't use.

How much RAM is on the PC?

Also, run a registry cleaner. A lot of slowdowns can be fixed by removing unneeded registry entries.

>I did reserve my copy. I think I would need to coordinate with our Network Admins. My laptop is running very slow lately, almost to the point I can not work. I am going to speak with our Network Admin on Monday. That laptop I got about 5 years ago when I joined the company.