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 | 8 107 107 bytes (7,73 MB) | 2015-03-27 | English, Russian |
| WSO for NT 4, Windows 2000, XP (Pre SP3) | wso2000XP.exe | 8 080 832 bytes (7,71 MB) | 2015-03-27 | English, Russian |
| Installation program for XP, 2003, Vista, 2008, 2008 R2, 7, 8, 8.1, includes x64 editions (x64 and Itanium) | wsoall.exe | 8 875 494 bytes (8,46 MB) | 2015-03-27 | 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 | 9 782 642 bytes (9,33 MB) | 2015-03-27 | 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) | 2015-03-27 | |