Upgrade of one WinOLS4 OLS501 workstation to WinOLS 5 OLS505 WinOLS4 users with >= 12532 with WinOLS purchased after 01.04.2020: have the opportunity to upgrade to the WinOLS5 version free of charge. If you have more than one workstation, please purchase the appropriate number of upgrades. If you do not know how many licences you have please contact us before purchasing