Method One:
1, right click on "This Computer" icon, select "Properties";
2, in the "system" information interface to find the "system type" item, you can see whether the corresponding "32-bit operating system" or "64-bit operating system."
Method Two:
1, press Win+r to open the operation, input cmd and click OK;
2, input and execute command systeminfo, you can display the current computer system information, which "system type" in the system bit information, "x86-based PC" represents "32-bit operating system", and "64-based PC" will represent "64-bit system."
Method Three:
1, press Win+r to open the operation, input dxdiag and click OK;
2. Under the System tab of the DirectX Diagnostics tool, you can see the number of digits in the operating system.
Method Four:
You can also use Third-party software, such as the "Drive Life" tool to view the number of bits in the operating system.