In the article: Standard and alternative download options of SafeInCloud desktop app.
Standard options
For Windows 10
https://www.microsoft.com/store/apps/9NLXL1B6J7LW
Note: There is no technical possibility to install SafeInCloud for Windows 10 any other way except from the Microsoft Store. If you don’t have the Microsoft Store on your Windows 10, install the version for Windows 7 from the link below.
For Windows 7 & 8
https://www.safe-in-cloud.com/download/SafeInCloud_Setup.msi
For Mac
https://itunes.apple.com/us/app/safeincloud-password-manager/id883070818?mt=12
Alternative options
Portable version for Windows
This version can be copied on a USB stick and run from there:
https://www.safe-in-cloud.com/download/SafeInCloud_Portable.zip
Windows XP
This version is very old and unsupported, but still can be used if you really have to:
https://www.safe-in-cloud.com/download/2.5/SafeInCloud_Portable.zip
https://www.safe-in-cloud.com/download/2.5/SafeInCloud_Setup.exe
Mac
SafeInCloud for Mac as a .dmg file if you prefer not to use the Mac App Store:
https://www.safe-in-cloud.com/download/SafeInCloud.dmg