So, this part will show you two aspects.
How Long Does It Take to Download Windows 10?
The download time depends on two main variables the Internet speed and the size of the download file.
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To get a Windows 10 ISO file, you usually useMedia Creation Toolfrom Microsofts website.
This download is quite fast.
After opening this tool, Windows 10 Setup will take 1-2 minutes to get things ready.

Next, choose a USB drive to directly download and burn ISO to it.
No matter which media you use, it will take you about 30 minutes 1 hour.
(In my case, I take 30 minutes to download the ISO file to my USB drive.)

How long does it take to install Windows 10?
You couldnt know the exact time.
Windows update is a totally different story.
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Just refer to the above part to get a lot of information.
Do you want to upgrade Vista to Windows 10 since you think it is outdated?
How to do Windows Vista upgrade?

This post will walk you through a full guide.
This wont take more than 3 hours unless your system horribly goes wrong.
In most cases, you check for updates via configs.

Windows will automatically download available updates, without bothering you.
You only need to take action like restarting the PC.
Typical updates like KB wont take much time.

But as for the Windows 10 build update, it takes a long time compared to KB updates.
Part 3: How Long Does It Take to Install Windows 10 after Reset?
Resetting lets you keep personal files or remove them and then reinstalls Windows.

You may ask how long does it take to install Windows 10 after reset.
Actually, this also depends on your disk speed.
Some users say keeping files during resetting Windows takes a longer time than removing everything.

Even some say it is faster to perform a clean install.
Now, all the information on the topic how long to install Windows 10 is described here.
In conclusion, Windows 10 download time is determined by the Internet speed and the file size.

Windows 10 installation time can take anywhere from 15 minutes to 3 hours depending on the machine configuration.
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After knowing the time to install Windows 10, now you should take action.

Windows 10 Clean Install
During the installation process, your personal files will be deleted.
Thus, we strongly recommend you to back up your important data before the clean install.
To do this work, MiniTool ShadowMaker, a piece of professionalPC backup softwarecan be a good helper.

Now, get MiniTool ShadowMaker by clicking the following download button and install it on your Windows 10 PC.
Step 2: Go to theSourcesection to choose files it’s crucial that you back up.
Step 3: Select a destination path by clicking theDestinationsection.

Here, we take the external hard drive G as an example.
Step 4: Finally, execute the file backup operation by clickingBack up Now.
Then, this software starts performing the backup task in theManagepage.
Now, it is time to perform a clean install of Windows 10.
Just follow the guide below to do this thing:
1.
Go todownload Media Creation Toolfrom Microsofts website.
Use it to create a bootable USB flash drive.
Configure the language, time, and keyboard.
Enter the Windows 10 key.
Determine which version you want to install.
After accepting license agreements, choose to drop in the Windows only.
Decide where you want to install Windows 10.
Usually, choose Drive 0 unallocated space that is got by deleting the originalsystem partition.
Windows Setup is installing Windows 10.
After that, configure some prefs for the system and restore files from the created backup.
How can you upgrade your PC to Windows 10?
To perform an in-place upgrade, use Media Creation Tool.
Just get this tool and run it.
In addition, you could go toStart > options > Update & Securityto enter the Windows Update page.
Then, clickCheck for updatesto look for available updates.
Then, you start to reset your system by following the wizard below.
Go toStart > options > Recoveryand clickGet startedunder theReset this PCsection.
ChooseKeep my filesorRemove everything.
Finish all the operations by following the instructions on the screen.
Clean install and resetting PC are time-consuming to fix your box problems.
To help you out of troubles, we suggest backing up the Windows operating system in advance.