Operation system: Windows 98SE, ME, NT 4, 2000, XP, 2003, Vista, 2008, 2008 R2, 7, 8.
| Description | File | Size | Time | Language |
| Installation program for XP, 2003, Vista, 2008, 2008 R2, 7, 8, includes x64 editions | wso.exe | 6 390 762 bytes (6,09 MB) | 2014-01-19 | English, Russian |
| WSO for NT 4, Windows 2000, XP (Pre SP3) | wso2000XP.exe | 6 372 313 bytes (6,08 MB) | 2014-01-19 | English, Russian |
| Installation program for XP, 2003, Vista, 2008, 2008 R2, 7, 8, includes x64 editions (x64 and Itanium) | wsoall.exe | 7 066 189 bytes (6,74 MB) | 2014-01-19 | English, Russian |
| WSO (zip archive) for XP, 2003, Vista, 2008, 2008 R2, 7, 8, includes x64 editions (x64 and Itanium), use regsvr32.exe wso.dll, regsvr32.exe x64\wso.dll | wso.zip | 7 821 797 bytes (7,46 MB) | 2014-01-19 | English, Russian |
| WSO for Windows 98, ME | wso98me.exe | 5 749 781 bytes (5,48 MB) | 2014-01-19 | English, Russian |
| md5 | md5.txt | 273 bytes (0,00 MB) | 2014-01-19 | |