When you purchase windowblinds is the sucscription vaild for mutliple computers?
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From Stardock's FAQ's -
Q: I have a laptop and a desktop. Can I install the software on multiple machines?
A: Yes, to a point. Only 1 copy of the product can be used at once per license. But if you want to have it on both home and work or install it on the road that is not only allowed but recommended. As long as only one copy is actively in use (someone sitting at the computer) at any one time, you are covered.
also what themes would you have access to and can they be previewed?
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From the WinCustomize WindowBlinds Gallery -
https://www.wincustomize.com/skins.aspx?libid=1
You will have access to pretty much all the WindowBlinds with the exception of 'Master' skins which are a seperate purchase. Previewing it a screenshot when clicking on the picture of each skin.