: Uses native Windows hooks, resulting in low system impact. Buggy on Win11 : Some users have reported stability issues on Windows 11. Ease of Use : Simple interface for applying complex visual changes. Incomplete Skinning
If you have lost your key or didn't receive the email, use these methods:
: If you purchased through a partner, you may need to check your FastSpring account or contact the specific reseller. Troubleshooting Common Issues
Security and legality
A product key is a unique code that is required to activate Stardock Curtains. The product key is used to verify that the software has been purchased or obtained through legitimate means. Without a valid product key, users will not be able to access the full range of features and benefits provided by Curtains.
: Log in to your Order History page. From there, you can download a .csv file containing your active keys and status.
: Uses native Windows hooks, resulting in low system impact. Buggy on Win11 : Some users have reported stability issues on Windows 11. Ease of Use : Simple interface for applying complex visual changes. Incomplete Skinning
If you have lost your key or didn't receive the email, use these methods:
: If you purchased through a partner, you may need to check your FastSpring account or contact the specific reseller. Troubleshooting Common Issues
Security and legality
A product key is a unique code that is required to activate Stardock Curtains. The product key is used to verify that the software has been purchased or obtained through legitimate means. Without a valid product key, users will not be able to access the full range of features and benefits provided by Curtains.
: Log in to your Order History page. From there, you can download a .csv file containing your active keys and status.



