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This question already has an answer here:

How I can prevent my laptop from sleeping when a large file is downloading?
Notice that I use windows 8 and the downloader program is IDM
where I can find the related settings, in IDM or Windows?

Thanks for any help

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marked as duplicate by Karan, Shekhar, Raystafarian, Darth Android, Mokubai Jul 18 '13 at 20:51

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

I found these results when doing some research on the subject… and – Ramhound Jul 16 '13 at 12:35
Nothing wrong with this question except that it has been asked in many forms already: – Enigma Jul 16 '13 at 13:00
up vote 5 down vote accepted

Navigate to:

Control panel -> System and security -> Power Settings(or press image3 + R, and type powercfg.cpl and press Enter).

In screen click it: enter image description here Then change the option of Put the computer to sleep to Never. enter image description here

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You can use the tool "Don't Sleep":

Don't Sleep is a small portable program to prevent system shutdown, Standby, Hibernate, Turn Off and Restart.

Especially when old Programs run on Windows-7 or Windows Vista. Here's more aggressive power-saving features with new rules.

But not only that, it also prevents loggin off the computer, and the deactivation of the monitor or activation of the screen saver.

Of course you can also manually disable all the options and then activate again, but with Don't Sleep one can save now many hand moves and also save time! And it's easier than ever.

Apart from the fact Don't Sleep has a timer that allows time control unblock, or shutdown the computer for a specified time.

enter image description here

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