Impossible to launch QGIS after installation

Why is QGIS not launching?

There can be a conflict between the existing python in your system and the python installed as a package with QGIS.
 

How do I open QGIS in Windows 10?

To install QGIS on Windows follow the below steps:

1. Step 1: Visit the official website using the URL https://www.qgis.org/en/site/ in any web browser.
2. Step 2: Click on the Download Now button.
3. Step 3: Next web screen open now click on QGIS standalone Installer version 3.22 to start downloading.

Where is QGIS executable?

C:\OSGeo4W\bin\qgis-ltr-bin.exe – This is the main QGIS executable that you need to run for starting QGIS 3.

What to do if QGIS is not responding?

The problem actually only occurs when a network drive is disconnected. Either closing the browser tab or hiding the networks helped to fix it.
 

How much RAM do I need for QGIS?

8GB

RAM – 8GB of RAM or higher is recommended for using QGIS and avoiding system crashes. 2. CPU Speed – Higher than 1.9 GHz is recommended, although not required. QGIS might run slow at lower levels.

Do you need Python to run QGIS?

QGIS tools run based on C++ and not Python, as MrXsquared and marcelo pointed me out. Still, you don’t need to know any programming language to use the tools.
 

Is QGIS 32 or 64 bit?

The 64bit version is recommended for almost all users, unless you are attempting to install the software on a extremely old computer that has a 32 bit processor. It is also recommended that you install the latest release rather than the long term release so that you have access to the latest QGIS features.
 

How to run QGIS from command line?

Starting QGIS with an existing project file is also possible. Just add the command line option –project followed by your project name and QGIS will open with all layers in the given file loaded. This command line argument hides the splash screen when you start QGIS.

Why does QGIS keep crashing?

Create a new, clean profile (under Settings / User Profiles ). You will lose and/or have to recreate certain default settings, but fairly often QGIS crashes are caused by something (internal to QGIS, a plugin?) corrupting your user profile.
 

Why does QGIS take so long to load?

From my experience QGIS loads slowly when we have too many plug-ins installed. Try removing those that you do not need. Just to make sure that the issue is not related to your PC, try to install QGIS on another machine and see if the same problem occurs. Sometimes even antivirus could be the cause.
 

Do you need Python to run QGIS?

QGIS tools run based on C++ and not Python, as MrXsquared and marcelo pointed me out. Still, you don’t need to know any programming language to use the tools.