The Redis project does not officially support Windows. However, the Microsoft Open Tech group develops and maintains this Windows port targeting Win64.
Use the installer to install redis as any other software. To start server open server file (filename: redis-server) located in install folder, by default it is in located in C:\Program Files\Redis). Redis command can be executed using redis cli (filename: redis-cli).
Redis can also be used from command prompt by adding the redis path to environment variables.
You can also download redis desktop manager from better GUI experience.