no, unless you're being spamed
The name "free trial" would indicate that you don't need to pay for the 10 days you try it out.
get.adobe.com/shockwave
shockwave
Adobe Shockwave animation, made in Adobe Director. Originally Macromedia Shockwave and later Shockwave Flash (Flash was acquired by Macromedia from FutureWave Software).
NWA Shockwave ended in 2007.
The Shockwave Rider was created in 1975.
Syracuse Shockwave was created in 2011.
Shockwave - Dreamworld - was created in 2011.
NWA Shockwave was created in 2001.
Shockwave Assault happened in 1995.
The passing jet's shockwaves almost knocked me down. An earthquake's aftershocks are a type of shockwave. Shockwave? What shockwave? I didn't feel any shockwave.
Adobe Shockwave Player can be downloaded from Adobe's website.