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Python universal install with conda

I recently got a new M1 MacBook and have been trying to get my Python Dev environment setup. I’m new to conda (previously used virtualenv) and I’m wondering if there’s a way to use the Python 3.9.4 universal2 install. 3.9.2 is the highest version listed, and I can’t see how to distinguish it from the Intel/ARM installations, but running platform.machine() outputs x86_64, so it seems I have the Intel install by default. Any way to manage this?

Step 1: Come here
Scroll down to the line Anaconda 2019.03 for macOS Installer.
You need to know your Python version. To do this, write in the terminal
And select Command Line Installer
Step 2: installing via command line
After the installation is complete, go to the terminal.
If you have Python 3.7, then run:
bash ~ / Downloads / Anaconda3–2019.03-MacOSX-x86_64.sh
For Python 2.7:
bash ~ / Downloads / Anaconda2–2019.03-MacOSX-x86_64.sh
Attention: if you downloaded Anaconda not in the Downloads folder, then in the commands you need to change the path to the distribution kit.
Review the license agreement and press Enter. Finally, after a million Enter hits, type yes if you accept the license agreement.
(If you do not accept the agreement in time, then this clue will constantly catch your eye)
if you are satisfied with the installation path, then press Enter. You can change the location or abort the installation by pressing CTRL-C.
Then you will be asked: Do you wish the installer to initialize Anaconda3 by running conda init? Write yes, of course.
When the installation is complete, close a terminal window and open a new one - this will take effect your changes. Want to make sure everything works? Type conda list and see what happens. If everything works, you will see something like this:
If everything works, then congratulations! Now you can use Anaconda, Jupyter Notebooks, Spyder and other useful things.

Anaconda3 activate.bat is not recognized as an internal or external command

I have downloaded Anaconda3 for windows 64-bit operating system. After the download and install completed, I opened the Anaconda prompt but it give me this nice error:
'C:\Anaconda3\Scripts\activate.bat' is not recognized as an internal or external command,operable program or batch file.
I just surfed the internet and found a solution to uninstall all previous packages of python but did not work. I have searched for activate.bat file in my system " found it in one folders of anaconda directory " and copy, paste it to the Scripts folder but it gives me errors with conda packages and dependencies. Any solutions please!!
I cannot run any either jupyter notebook or conda as well. Actually, I do not know how to find them in those bunch of Anaconda files and packages.
Thanks in advance,,,.

This is a known Anaconda bug:
From their Github:
" I have fixed the underlying bug here but we will not release new Anaconda installers for a while.
The fix is in the latest Miniconda installers:
64-bit:
https://repo.continuum.io/miniconda/Miniconda3-latest-Windows-x86_64.exe
https://repo.continuum.io/miniconda/Miniconda2-latest-Windows-x86_64.exe
32-bit:
https://repo.continuum.io/miniconda/Miniconda3-latest-Windows-x86.exe
https://repo.continuum.io/miniconda/Miniconda2-latest-Windows-x86.exe
Install those, then run the Anaconda Prompt and install whatever packages you need. If you want the latest full Anaconda release then use:
conda install anaconda=5.0.1"
Check this github thread for the full answer: https://github.com/conda/conda/issues/6053

When you installing Anaconda3 on Windows 10 and the Anaconda Navigator menu item does not install, and running the Anaconda Prompt gives the activate.bat error.
Delete all instances of the previous python IDEs
Reveal hidden files within the control menu
Go to -> C:\Users[Username] in windows explorer
Delete the files .conda and .anaconda. Possibly others if you had other IDEs.
Go to -> C:\Users[Username]\AppData\Local
Delete all python related files conda, python, ect.. any instances other python IDEs
Go to -> C:\Users[Username]\AppData\Roaming
Delete all python related files conda, python, ect.. any instances other python IDEs
Run the Anaconda installer as Admin and install in a directory such as C:\anaconda3
Sit back and wonder why an install took 4 hours out of my life and start drinking.
At some point I felt like this was a test for the uninitiated... can I start coding now?

I think the problem will be solved by clearing all dependencies. I initially had python installed, 2.7 and 3.6. I just get rid of all of them. The problem is not solved yet.
I discovered that My MySQL server is running. I just closed it but it did not work. I just uninstalled it completely and The problem is solved. Anaconda needs to listen to , I think 8888 port, which might be used also by MySQL server as well.
I hope this will help.

I had the same issue and solved it like this:
Open a command prompt (cmd.exe)
Execute these commands to reset two environment variables:
set PYTHONPATH=
set PATH=%SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem
Start the installer (from within the same command prompt).
Now the installation will succeed!
Tip: if 'Anaconda Prompt' in the start menu isn't working afterwards, use this workaround:
C:\Users\<username>\AppData\Local\Continuum\anaconda3\Scripts\activate.bat C:\Users\<username>\AppData\Local\Continuum\anaconda3

I solved it
If you install other python directories or install anaconda on your drive. remove them all
and visit to C:\Users\<username> and you can find this babies
.anaconda
.conda
Kill them all, reinstall anaconda.
Now it works well.

I uninstalled any previous versions.Restarted system and installed Anaconda again at path C:\Users\xyzuser\Anaconda.It is working now

I solved it with:
0. Rename/delete previous Anaconda3 directory (at c:\ProgramData\Anac...) (show/check hidden items at File Manager to delete it)
1. Re-install Anaconda
2. At Advanced Installation Options, I check both:
2.1. [check] Add Anaconda to my PATH environment variable
2.2. [check] Register Anaconda as my default Python 3.6
3. then click Install button
4. Done
my OS: windows 10, 64bit

I have met exactly the same problem when I was using anaconda 5.3.1 on windows10.
Well, the solution is to uninstall your anaconda and re-install it.
And when you install anaconda, you can't close the exe command window manually which would show up at the end of installing. You should let it run and exit by itself. Only by this way your anaconda would be installed correctly.

The Fix is simple. Here's what you need to do.
Go to--
C:\Users\USERNAME\AppData\Local\Continuum\anaconda3\Scripts\
*Replace USERNAME with your own***
If you are not able to access this location, then directly search in your C drive for Continuum, and from there you can write the rest of the URL
Search for "Activate.bat"
If you are able to find this file, then go to ANACONDA PROMPT and
Change your directory by typing:
cd C:\Users\USERNAME\AppData\Local\Continuum\anaconda3\Scripts\
*Replace USERNAME with your own***
Your directory is now projecting to this new location.
Now type:
activate.bat
Hit enter
Now you activated your Anaconda.
Now, you can check if it is working or not by typing
Conda list

Issues with Anaconda install - Failed to create Anaconda menus

I had Anaconda version 3.5 installed on my machine but I decided to uninstall it (via the control panel) and to download version 2.7 instead. I am using Windows 7.
However, I have an error message towards the end of the installation where I receive a pop up window saying: Failed to create Anaconda menus and then another one saying Failed to add Anaconda to the system PATH.
When I click ignore on these pop ups the installation is finished but I do not even see Anaconda in my start menu.
I used different installers (4.2.0 and 4.1.1) but it still not working.
I tried to install it for all users (as I read on the Internet) but it still did not work. The error message was different (see link below) followed by the pop up Failed to create Anaconda menus.
https://cloud.githubusercontent.com/assets/24353213/20858712/e4438f60-b94b-11e6-806b-f01436aac306.PNG
Can you please help as I am stuck and cannot use it at all?

2.5 years later, I had the same problem installing v2019.07, but the version actually doesn't matter. Anaconda has had this bug in the installer for a long time.
2019.07 successfully installed on one of my dev boxes
2019.07 failed to create menus on a second dev box with a very similar environment. Both Anaconda and Miniconda failed. I tried everything in this thread, and then some.
Finally I went to the download archive and grabbed 2019.03, which installed with no issues. This fixed it for me, your mileage may vary.

I was able to install from Windows Safe Mode. There were no errors during the installation.

I almost spent two days running in circles trying all the solutions I could find on the Internet, but here is what worked for me.
So, CondaHTTPError aka SSL module is not available error is caused by the missing/misplacement of libcrypto file in anaconda3/DLLs folder:
Tl;dr:
From anaconda3\Library\bin copy below files and paste them in anaconda3/DLLs:
- libcrypto-1_1-x64.dll
- libssl-1_1-x64.dll
Detailed answer:
Uninstall any Python versions you have (e.g. Python 3.7 or Python 3.8)
go to Control Panel--> Program and Features--> Select Python-->
uninstall
Uninstall any Anaconda versions you might have (e.g. Anaconda or miniConda)
For Anaconda:
go to Control Panel--> Program and Features--> Select Anaconda-->uninstall
For miniConda
go to Control Panel--> Program and Features--> Select miniconda--> uninstall
Delete any leftover Environment variables
go to Control Panel--> System--> Advanced System settings (on left side)--> in System Properties click on Environment Variables button--> in User Variable select Path and click the Edit button--> delete any path related to Anaconda, miniConda or Python.
E.g.
C:\Users\Bob \AppData\Local\Programs\Anaconda\...
C:\Users\Bob \AppData\Local\Programs\miniconda\...
b. If you don’t see any paths related to Anaconda, miniConda or Python; you are good to go.
Reboot your machine
Download the latest version of Anaconda
Run the Installer; keep all the default settings
Go to your anaconda3/library/bin folder:
E.g.C:\Users\Bob\AppData\Local\Continuum\anaconda3\Library\bin
Copy these files:
libcrypto-1_1-x64.dll
libssl-1_1-x64.dll
paste these in anaconda3/DLLs folder:
Reopen the Anaconda Prompt and test with any command that requires an Internet connection.
E.g.
conda update conda
Or with
conda update --all

I was also facing the same issue while installing Anaconda 3.5, please follow the steps below before you start installation :
Delete old Python versions from your PC/Laptop
Clear path variables which have created on your PC
Turn off your anti virus program before you start installation
If you have JDK installed on your machine, uninstall it, also delete JAVA path created in variable

Could you try choosing run as administrator before clicking Anaconda 3 installation? That fixed mine.

Tried this as well, using 5.0.0 and 4.4.0 installer, tried as local user, admin user, install as administrator, clicked the "add to path", but none of these worked. Every time I got the same "failed to install menus"
Then I added the Anaconda target directory C:\ProgramData\Anaconda3 to the end of my Path, re-ran the installer (5.0.0) and it finally worked.

This is complete process. With this step you cat install your Anaconda of any version(not need to download miniconda).
If you are window user or any OS you are using first download Anacond.
first you need to delete all language(java,python etc) variable path which is set via environment variable.
If you are window user then need to off window defender.
After that uninstall all antivirus software(If you using antivirus software you will not get menu ).
And install Anacoda you can install perfectly.100% working

Turn off the antivirus installed in your computer before installing the anaconda setup.
During installation select its access to all users which requires admin permission then the default path automatically changes into C/Program Data/Anaconda 3.
Then it won't show any errors :)

Python Installer: "Error writing to file C:\Python27\pythonw.exe"

I am trying to install Python 2.7 (64 bit) on Windows 10. In the middle of the installation, a window pops up saying:
Error writing to file C:\Python27\pythonw.exe. Verify that you have
access to that directory
How can I resolve this issue and install Python?

This error is normally encountered when the installer does not have admin rights for the drive/folder you are installing to. I also noticed that you are installing to drive C:
Here are a couple of things for you to try.
Open the installer program by right-clicking, and then selecting "Run as Administrator".
Depending on how you have your PC set up you may not have permission to install on drive C:
If this is a work computer, talk to your IT department. Otherwise, seriously consider using different drives to keep your OS and your applications separated.

I encountered a similar issue while installing Python 2.7.11 on Windows 7 (64bit). Here is how I solved the error.
Note down the path mentioned in the error.
Do not close the error message. i.e. Do not press "Retry" or "Cancel", let it be there.
Go to the directory mentioned in step-1.
Try to create a new folder or text file in this directory.
You will get an error message saying "The Disc Structure is Corrupted and Unreadable". This is the real issue which is causing the Python installation to fail.
Run Command Prompt as an administrator and enter the command: Chkdsk \f C:
Either it will start checking the disc or it will ask you to select if you want to check disc next time you boot-up your machine. Select Yes and restart your machine.
A disc check will be performed, which may take 5-10 minutes.
Now you can install Python without any issue.

I had the same problem , this is how I solved the error :
click on cancel
go to c:\
create a new folder and call it python or python3
run the python install as administrator and choose the new folder that you just created
as directory where it should be installed
et voila !

Your Windows 10 version may not be activated. So many administrator features are locked in inactivated Windows10 version.
So try to open CMD in administrator mode and run following command to ignore the activation message.
slmgr -rearm
Now you can install fresh version of python with pythonw.exe features.

Right Click The running Uninstaller. Then Right Click Python 3.9.1 64-bit as shown below in the picture. ( I have Python 3.9.1. You can do it in any Uninstaller) Now it will repair without any errors. ^_^

no error message in CMD after uninstalling python3.2

Hi I am running in windows XP. I have python2.6 and python 3.2 installed at the same time.
My problem is when i uninstall python 3.2 and run a program with an error, the CMD does not return error message. But the program execute properly when it has no error.
I've tried re installing python2.6 but it is still the same.

From the desktop, right-click My Computer and click Properties.
In the System Properties window, click on the Advanced tab.
In the Advanced section, click the Environment Variables button.
In the Environment Variables window highlight the Path variable in the Systems Variable section and click the Edit button.
Each directory is separated by a semi-colon. Add "C:\Python26" to the end (making sure it has a semi-colon before it).
Now you should be able to type "python test.py" from anywhere and it will work.

Here's how to fix the registry settings, so double-clicking a .py file will work:
Go into control panel, choose Add/Remove Programs. Find Python 2.6 and choose the option to repair it. Test to see if that fixed the problem.
If it still doesn't work, then: Go into control panel, choose Add/Remove Programs. Find Python 2.6 and choose the option to Change installed features. Choose to install the "Register as default Python" feature.