What are the environment variables Windows 10?
How to set environment variables Windows 10?
This post will show you the step-by-step guide on changing environment variables Windows 10.
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What Is Environment Variables Windows 10?
Thus, you’re free to see that the Windows 10 environmental variables are pretty important.
But do you know how to set environment variables in Windows 10 manually?

Ransomware protection comes with Windows Defender in Windows 10 October 2017 update.
This post shows how to enable it in Windows Defender.
How to Set Environment Variables in Windows 10?

In fact, the way to manually set environment variables in Windows 10 is easy.
If you oughta change or set environment variables in Windows 10 by yourself, try the following way.
Step 1: OpenFile Explorerand chooseThis PCto continue.

Then right-click it and choosePropertiesfrom the context menu to continue.
Step 2: In the pop-up window, clickAdvanced system settingsto continue.
Step 3: In the popupSystem Propertieswindow, just go to theAdvancedtab and clickEnvironment Variables…to continue.

If you want to edit or change the variables, select them and clickEdit…to continue.
Step 5: Then you might edit, delete, and create the value of the existing variables.
If you want to create a new environment variable, you will need to click theNew…to continue.
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When you have finished all the steps, you have successfully set or changed environment variables Windows 10 manually.
The error code 0x800704ec may occur when you are turning on Windows Defender.
This post list 5 solutions to fix the Windows Defender error.
If you need change environment variables Windows 10, try this way.