Cost-effective → Economical|Budget-friendly|Affordable
Original: "The trial period extension may vary depending on the ESET product and version." ESET Trial Reset - box- mara-fix v1.8 Final
I'll follow the example provided in the user's answer where "on-screen instructions" becomes Projected instructions. So each part is considered. "given" → offered
This tool represents straightforward for operate as well as calls for negligible engineering skills. "trial" → test
"you are usually given a trial period" – "usually" → often; "given" → offered; "trial" → test; "period" → duration.