With open source software, you can choose to install binary packages or compile it yourself from source code. To install a package or compile from source is a matter of personal taste. If you don’t know which method to choose, we recommend that you read this whole section and then choose the method you feel most comfortable with.
Unfortunately, something as basic as installing a piece of software is highly operating system specific:
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Licensed under the BSD-2-Clause License.
https://varnish-cache.org/docs/6.5/installation/install.html