On their 'Pricing' page, the different setups are listed - https://about.gitlab.com/pricing/
Click "Self-Managed" takes you to https://about.gitlab.com/install/
Fairly easy to find. If not, Ctrl-F.
On their 'Pricing' page, the different setups are listed - https://about.gitlab.com/pricing/
Click "Self-Managed" takes you to https://about.gitlab.com/install/
Fairly easy to find. If not, Ctrl-F.