QuickTime is a multimedia player developed by Apple. You can use it to view photos, play videos, and run other similar tasks.
Obviously, the tool was developed for macOS. But there are still many Windows 10 users who are running QuickTime on their devices.
Note: Apple no longer supports QuickTime 7 for Windows. As a matter of fact, Windows 10 users don’t actually need the tool. The latest Windows versions now support all the media formats and codecs that QuickTime enabled, including H.264 and AAC.
If, for some reason, you really need QuickTime on your device, but you can’t install it, here are some troubleshooting suggestions that may help you out.
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Fix QuickTime Installation Issues on Windows 10
Download QuickTime from Apple
If you did not download QuickTime directly from Apple, please do that now. Downloading the tool from third-party websites may bring along unwanted files that might break the installation process.
Disable Background Programs
Since we’re talking about a non-Microsoft program, do close all the programs running in the background before downloading and installing QuickTime.
You can launch the Task Manager and click on the Processes tab. Then, close all the active programs by selecting End task. 
The same goes for your antivirus and firewall. It’s not uncommon for antivirus and firewall programs to block certain installation files.
Try to install QuickTime again after you did all that.
Open the Installer in Compatibility Mode
Running the QuickTime installer in compatibility mode may solve this problem. Try this method and check if you can complete the installation process.
- Open your Download folder and locate the QuickTimeInstaller.
- Right-click on it and select Properties.
- Click on the Compatibility tab.
- Then select Run this program in compatibility mode for Windows 7.
- Hit the Apply button to save the changes.
Install a QuickTime Alternative for Windows
If you’re still getting all sorts of errors when installing QuickTime, maybe it’s time to switch to an alternative tool. We expect the number of QuickTime installation issues to increase. After all, Apple stopped supporting QuickTime for Windows many years ago.
Some of the most popular QuickTime alternatives for Windows include Kodi, foobar2000, VLC Media Player, and 5KPlayer.
