First install Worry-Free Business Security - Advanced
http://downloadcenter.trendmicro.com/
1. Download Worry-Free Business Security - Advanced latest version full installation packege (~1.2Mb)
Actually just Worry-Free Business Security setup wizard will be downloaded.
2. Start download (~850Mb) of product package. (latest one is WFBS90_SP1_EN_GM_B2261.exe)
3. Unpack and install
4. Download WFBS 9.0 Service Pack 2 wich supports Windows 10 (WFBS_90_WIN_EN_SP2_3147.exe)