Car starts goes in gear but want move - 1997 Nissan Maxima

Check transmission fluid. There should be a dipstick under the hood only if it's automatic. If it's a standard, there is a lot more to checking fluid. If there is nothing showing on your dipstick add some through the dipstick tube. Never add fluid though while car is running in gear as it will take off on you when fluid reaches transmission. Add a liter, check again, then follow the proper way to check the fluid level. The proper way will be written on the dipstick itself. It may say check hot in park, or check in neutral, but never add it like that if there is nothing showing on the dipstick.Let me know how you make out