January 2018
Intermediate to advanced
486 pages
11h 28m
English
You need to start the installation by executing the installation files you downloaded. If you are on a Windows or macOS operating system, then you just need to run the downloaded file. However, if you are using Linux, then you may need to make your downloaded .run file executable first before being able to actually run it. The following command can be executed on Linux to make your installer file executable:
chmod +x qt-opensource-linux-x64-5.9.1.run
Or, you can simply right-click on the .run file and make it executable using the properties dialog:

Note that you still need a working internet connection even though nothing will ...