Update README.MD

[K-web04]

Please follow the guide below

• You will be asked some questions, please read them carefully and answer honestly
• Put an x into all the boxes [ ] relevant to your pull request (like that [x])
• Use Preview tab to see how your pull request will actually look like

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Before submitting a pull request make sure you have:

• Searched the bugtracker for similar pull requests
• Read adding new extractor tutorial
• Read youtube-dl coding conventions and adjusted the code to meet them
• Covered the code with tests (note that PRs without tests will be REJECTED)
• Checked the code with flake8

In order to be accepted and merged into youtube-dl each piece of code must be in public domain or released under Unlicense. Check one of the following options:

• I am the original author of this code and I am willing to release it under Unlicense
• I am not the original author of this code but it is in public domain or released under Unlicense (provide reliable evidence)

What is the purpose of your pull request?

• Bug fix
• Improvement
• New extractor
• New feature

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Description of your pull request and other information

Explanation of your pull request in arbitrary form goes here. Please make sure the description explains the purpose and effect of your pull request and is worded well enough to be understood. Provide as much context and examples as possible.

[rautamiekka]

Would have to be:

Suggested change

	To install it right away for all UNIX users (Windows,Linux, macOS, etc.), type:
	To install it right away for all users (Windows, Linux, macOS, etc.), type:

[dirkf]

Feel free to complete the description in the PR template.

The proposed change would only be valid if there was a sudo program in Windows, which there certainly wasn't when the text was written and AFAIK this is still true.

There is now a usable Windows Subsystem for Linux with a sudo command. If you can demonstrate installing yt-dl release in WSL using the procedure laid out for Unixes, we might consider something like this:

 To install it right away for all UNIX users (Linux, macOS, etc.), type:

 sudo curl -L https://yt-dl.org/downloads/latest/youtube-dl -o /usr/local/bin/youtube-dl
 sudo chmod a+rx /usr/local/bin/youtube-dl

 If you do not have curl, you can alternatively use a recent wget:

 sudo wget https://yt-dl.org/downloads/latest/youtube-dl -O /usr/local/bin/youtube-dl
 sudo chmod a+rx /usr/local/bin/youtube-dl

-Windows users can download an .exe file and place it in any location on their PATH except for %SYSTEMROOT%\System32 (e.g. do not put in C:\Windows\System32).
+You can also use this procedure in Windows Subsystem for Linux. Otherwise Windows users can download an .exe file and place it in any location on their PATH except for %SYSTEMROOT%\System32 (e.g. do not put in C:\Windows\System32).

My guess is that the WSL installation procedure doesn't put the program on the PATH for ordinary Windows use but I'd be happy to receive advice from someone like the owner (@ethanhs) of this repo which reports "works perfectly".

[rautamiekka]

"sudo youtube-dl"

NEVER DO THAT !