01
Install Zotero 10 on Windows
Download the installer
From the download page, choose Download for Windows · 10.0. Expect about 104 MB and the name Zotero-10.0_x64_setup.exe.
Run setup
Open the EXE and follow the prompts. Installing over an older version keeps your existing library.
Confirm the library opens
Launch Zotero and check that My Library appears. No account is required for local use.
Update later from inside the app
Use Help / Check for Updates when a newer build is available.