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1. Ensure you are in an existing JEDI-Skylab venv .  This is the one that was created in the later stages part of step 2 of , from the Running Skylab  Running Skylab instructions.  The environment is created when one runs this command python3 -m venv --system-site-packages venv  followed by source venv/bin/activate 
   
   Create the new virtual environment and activate it:

   Code Block
   language shell
   $python_ROOT/bin/python3 -m venv --system-site-packages venv-satpy source venv-satpy/bin/activate # normally I now change directory into the venv-satpy when I run the following commands cd venv-satpy

2. Install the CLI for access to EUMETSAT Data Portal - eumdac
   

   Code Block
   language shell
   # going to drop the preceding $python_ROOT/bin/ when calling python3 python3 -m pip install eumdac python3 -m pip install --upgrade eumdac

3. Install satpy:
   

   Code Block
   language shell
   python3 -m pip install satpy

NOTE:
If you now plan to download from EUMETSAT Data Portal - User Registration, you need to create the free account – and – request access to the 24-hour latent data streams here is an example of data access I've requested:



After establishing an account. Please follow these instructions in the eumdac guide.  The important section here is to establish the handshake with the API keys in the eumdac guide - Setup section. You will establish the credentials when logged into your EUMETSAT account, and following the API Key Management link then entering this information via the eumdac  client (with the command `eumdac set-credentials ConsumerKey ConsumerSecret` where ConsumerSecret  where you replace final two arguments). 

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