It's impossible to say if the software is compatible with Windows 10 or not, since the official website isn't even working. I've used all means to load the website to find the necessary information, but without success. This could also mean that BLQ is actually discontinued without the possibility of using it anymore in the future.
However, there are other applications from this category. For example, Bentley product are especially developed for this procedure. You can read more about it on the following link: https://www.bentley.com/en/products/product-line/structural-analysis-software