Usually reduced significantly compared to the standard 5.4GB. Minimum System Requirements
Do not download an ISO matching that name from a torrent site. The "Jun" release is probably two years old, contains unpatched vulnerabilities, and might already have compromised your password manager. Stay safe, and always choose official Microsoft media. Windows 10 Lite Edition Enterprise x64 21H1 Jun...
Background processes that hog RAM—such as Windows Search Indexing, Print Spooler (in extreme builds), and Windows Update—are often disabled or removed. Usually reduced significantly compared to the standard 5
: Specifying "June" typically refers to the integration of the June 2021 cumulative updates, which addressed early bugs and security vulnerabilities found in the initial 21H1 launch. Risks and Official Alternatives contains unpatched vulnerabilities