Operation system: Windows 98SE, ME, NT 4, 2000, XP, 2003, Vista, 2008, 2008 R2, 7, 8, 8.1.
| Description | File | Size | Time | Language |
| Installation program for XP, 2003, Vista, 2008, 2008 R2, 7, 8, 8.1, includes x64 editions | wso.exe | 8 882 434 bytes (8,47 MB) | 2015-05-10 | English, Russian |
| WSO for NT 4, Windows 2000, XP (Pre SP3) | wso2000XP.exe | 8 852 518 bytes (8,44 MB) | 2015-05-10 | English, Russian |
| Installation program for XP, 2003, Vista, 2008, 2008 R2, 7, 8, 8.1, includes x64 editions (x64 and Itanium) | wsoall.exe | 9 701 106 bytes (9,25 MB) | 2015-05-10 | English, Russian |
| WSO (zip archive) for XP, 2003, Vista, 2008, 2008 R2, 7, 8, 8.1, includes x64 editions (x64 and Itanium), use regsvr32.exe wso.dll, regsvr32.exe x64\wso.dll | wso.zip | 10 671 966 bytes (10,18 MB) | 2015-05-10 | English, Russian |
| WSO for Windows 98, ME (1.1.13) | wso98me.exe | 5 752 202 bytes (5,49 MB) | 2014-03-02 | English, Russian |
| md5 | md5.txt | 273 bytes (0,00 MB) | 2015-05-10 | |